{"id":4360,"date":"2025-11-23T15:05:34","date_gmt":"2025-11-23T15:05:34","guid":{"rendered":"https:\/\/fsxchemical.com\/?p=4360"},"modified":"2026-07-02T09:48:17","modified_gmt":"2026-07-02T09:48:17","slug":"sodium-alginate-raw-material-source-and-manufacturing-what-procurement-teams-should-understand","status":"publish","type":"post","link":"https:\/\/fsxchemical.com\/id\/blog\/sodium-alginate-raw-material-source-and-manufacturing-what-procurement-teams-should-understand\/","title":{"rendered":"Sodium Alginate Raw Material Source and Manufacturing: What Procurement Teams Should Understand"},"content":{"rendered":"<p class=\"wp-block-wd-paragraph wd-a72e6c06\"><a href=\"https:\/\/fsxchemical.com\/id\/applications\/sodium-alginate-application\/\" data-type=\"page\" data-id=\"6069\">When sourcing sodium alginate for textile printing, most procurement teams focus on viscosity grade, degree of substitution, and price. Fewer consider the raw material source and manufacturing process \u2014 yet these upstream factors have a direct influence on product consistency, impurity profile, and long-term supply reliability.<\/a><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5d94d8dc\"><a href=\"https:\/\/fsxchemical.com\/id\/applications\/sodium-alginate-application\/\" data-type=\"page\" data-id=\"6069\">This guide explains where sodium alginate comes from, how it is manufactured, how raw material variation affects the finished product, and what questions to ask a supplier about their production process.<\/a><\/p>\n\n\n\n<div class=\"wp-block-wd-divider wd-style-line wd-5cb298f7\"><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-6a1c25e5\">Where Sodium Alginate Comes From: The Seaweed Raw Material<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-cfd025e5\">Seaweed Species Used in Industrial Sodium Alginate Production<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4d62eb77\"><a href=\"https:\/\/fsxchemical.com\/id\/applications\/sodium-alginate-application\/\" data-type=\"page\" data-id=\"6069\">Sodium alginate is extracted from brown seaweed (Phaeophyceae). The specific species used varies by production region and influences the properties of the extracted alginate. The most commercially significant species include:<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Macrocystis pyrifera<\/strong> (giant kelp) \u2014 harvested primarily off the coasts of California and Chile; produces alginate with relatively high molecular weight and good viscosity<\/li>\n\n\n\n<li><strong>Laminaria hyperborea<\/strong> \u2014 harvested in Norway and other North Atlantic regions; generally produces high-molecular-weight alginate with good gel-forming properties<\/li>\n\n\n\n<li><strong>Laminaria japonica<\/strong> (also classified as Saccharina japonica) \u2014 cultivated extensively in China and Japan; the primary raw material source for Chinese sodium alginate production<\/li>\n\n\n\n<li><strong>Ascophyllum nodosum<\/strong> \u2014 harvested in North Atlantic waters; produces lower-molecular-weight alginate compared to Laminaria species<\/li>\n\n\n\n<li><strong>Sargassum<\/strong> species \u2014 used in some production regions, particularly in Asia; generally produces lower-viscosity alginate than Laminaria<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2651dd0d\">The species used is not always disclosed on sodium alginate product datasheets, but it is worth asking about \u2014 particularly if consistent viscosity and molecular weight are important for your application. Different species have different alginate content and M\/G ratio (mannuronate to guluronate ratio), which affects gel properties and viscosity behavior.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c2\u7bc7\u6587\u7ae0A-1024x768.webp\" class=\"wp-image-7950\" style=\"aspect-ratio:1.3333183108747577;width:521px;height:auto\" srcset=\"https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c2\u7bc7\u6587\u7ae0A-1024x768.webp 1024w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c2\u7bc7\u6587\u7ae0A-300x225.webp 300w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c2\u7bc7\u6587\u7ae0A-768x576.webp 768w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c2\u7bc7\u6587\u7ae0A-600x450.webp 600w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c2\u7bc7\u6587\u7ae0A-150x113.webp 150w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c2\u7bc7\u6587\u7ae0A.webp 1448w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-0e734876\">How Raw Material Quality Varies<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-90f9b1de\"><a href=\"https:\/\/fsxchemical.com\/id\/applications\/sodium-alginate-application\/\" data-type=\"page\" data-id=\"6069\">Seaweed quality varies with harvest location, season, water temperature, and cultivation versus wild-harvest conditions. Cultivated seaweed \u2014 the primary source for Chinese production \u2014 offers more consistent raw material quality than wild-harvested seaweed, because growing conditions can be managed and harvest timing can be optimized for alginate content.<\/a><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-710049d1\">Key raw material variables that affect finished sodium alginate quality include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/fsxchemical.com\/id\/applications\/sodium-alginate-application\/\" data-type=\"page\" data-id=\"6069\"><strong>Alginate content in the seaweed<\/strong> \u2014 higher alginate content in the raw seaweed generally allows more efficient extraction and a higher-quality product<\/a><\/li>\n\n\n\n<li><strong>Heavy metal content<\/strong> \u2014 seaweed absorbs trace minerals from seawater; heavy metal levels in the raw seaweed affect the heavy metal specification of the finished product<\/li>\n\n\n\n<li><strong>Seasonal variation<\/strong> \u2014 alginate content and molecular weight in seaweed vary by season; responsible producers harvest at optimal times and maintain consistent raw material specifications<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-70ff9251\"><a href=\"https:\/\/fsxchemical.com\/id\/applications\/sodium-alginate-application\/\" data-type=\"page\" data-id=\"6069\">When evaluating a sodium alginate supplier, asking about their raw material sourcing \u2014 species, harvest region, and whether they use cultivated or wild-harvested seaweed \u2014 gives you useful context for assessing the consistency of their product quality over time.<\/a><\/p>\n\n\n\n<div class=\"wp-block-wd-divider wd-style-line wd-9d9fb24d\"><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-a6f5a858\">The Sodium Alginate Manufacturing Process<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-79b7fe62\">Overview of the Extraction and Purification Steps<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-db385f67\"><a href=\"https:\/\/fsxchemical.com\/id\/applications\/digta-printe-application\/\" data-type=\"page\" data-id=\"6094\">Industrial sodium alginate production involves several key process stages. Understanding these stages helps explain where impurities originate and how manufacturing process control affects finished product quality.<\/a><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-de74b80a\"><strong>1. Pre-treatment of seaweed<\/strong> \u2014 Harvested seaweed is washed to remove salt, sand, and biological debris, then dried and milled to increase surface area for extraction.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7200a42a\"><strong>2. Alkali extraction<\/strong> \u2014 The milled seaweed is treated with dilute sodium carbonate or sodium hydroxide solution, which converts insoluble alginic acid and calcium alginate in the seaweed cell walls into soluble sodium alginate. This step is carried out at controlled temperature and time to optimize yield while limiting degradation of the alginate polymer chains.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-792ccc53\"><strong>3. Separation of alginate solution from seaweed residue<\/strong> \u2014 The alginate solution is separated from the insoluble seaweed residue (cellulose, proteins, pigments) by filtration or centrifugation. This is one of the most important steps for product purity \u2014 incomplete separation leaves residue in the product that contributes to insoluble matter in the finished sodium alginate.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1da25402\"><strong>4. Precipitation<\/strong> \u2014 The clarified alginate solution is precipitated as alginic acid (by acidification) or calcium alginate (by addition of calcium chloride). The precipitate is separated from the liquor, which carries away much of the soluble impurities including sodium chloride.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8803f291\"><strong>5. Conversion to sodium alginate<\/strong> \u2014 The alginic acid or calcium alginate precipitate is treated with sodium carbonate or sodium hydroxide to convert it to sodium alginate.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fc906c9c\"><a href=\"https:\/\/fsxchemical.com\/id\/applications\/digta-printe-application\/\" data-type=\"page\" data-id=\"6094\"><strong>6. Drying and milling<\/strong> \u2014 The sodium alginate is dried to reduce moisture content, then milled to the specified particle size (mesh classification) and packaged.<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-36964a2a\">Where Impurities Originate in the Process<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9c090f49\">Understanding which process steps generate which impurities helps explain why purity specifications matter and where supplier process control has the most impact:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/fsxchemical.com\/id\/applications\/sodium-alginate-application\/\" data-type=\"page\" data-id=\"6069\"><strong>Sodium chloride (NaCl)<\/strong> \u2014 generated in the alkali extraction and precipitation steps; residual NaCl in the finished product is reduced by thorough washing of the precipitate before conversion and drying. Higher-purity grades require more extensive washing, which increases production cost.<\/a><\/li>\n\n\n\n<li><strong>Insoluble matter<\/strong> \u2014 originates from incomplete separation of seaweed residue in the filtration step; also from partially degraded or crosslinked alginate chains that do not dissolve under standard conditions. Lower insoluble matter requires more thorough filtration and better separation equipment.<\/li>\n\n\n\n<li><strong>Heavy metals<\/strong> \u2014 present in the seaweed raw material; reduced by raw material selection and by the washing steps in processing. Heavy metal levels in the finished product are largely determined by the raw material source and cannot be fully eliminated by processing.<\/li>\n\n\n\n<li><strong>Kelembapan<\/strong> \u2014 controlled by drying conditions; higher moisture content reduces effective active content per unit weight and can accelerate microbial activity during storage.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-b33ecaa3\">How Molecular Weight Is Controlled<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6340a83e\"><a href=\"https:\/\/fsxchemical.com\/id\/applications\/sodium-alginate-application\/\" data-type=\"page\" data-id=\"6069\">The molecular weight of sodium alginate \u2014 which directly determines viscosity grade \u2014 is influenced by the seaweed species, the extraction conditions (temperature, time, and alkali concentration), and any post-extraction processing. Higher extraction temperature and longer extraction time tend to reduce molecular weight through thermal degradation of the alginate chains.<\/a><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f6e9d743\">Producers control molecular weight by adjusting extraction parameters to target the viscosity grade being produced. Consistent molecular weight across batches requires tight process control of these parameters, which is why batch-to-batch viscosity consistency is a meaningful indicator of manufacturing process quality.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4b91bbcd\">Some producers also adjust molecular weight through controlled depolymerization of high-molecular-weight alginate \u2014 using heat, oxidizing agents, or irradiation \u2014 to produce specific low-viscosity grades. The method used for molecular weight adjustment can affect other product properties, so if you are sourcing a low-viscosity grade, it is worth asking whether the grade is produced by controlled depolymerization or by direct extraction targeting that molecular weight range.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c1\u7bc7\u6587\u7ae0A-3-1024x768.webp\" class=\"wp-image-7953\" style=\"aspect-ratio:1.3333183108747577;width:600px;height:auto\" srcset=\"https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c1\u7bc7\u6587\u7ae0A-3-1024x768.webp 1024w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c1\u7bc7\u6587\u7ae0A-3-300x225.webp 300w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c1\u7bc7\u6587\u7ae0A-3-768x576.webp 768w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c1\u7bc7\u6587\u7ae0A-3-600x450.webp 600w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c1\u7bc7\u6587\u7ae0A-3-150x113.webp 150w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/\u7b2c1\u7bc7\u6587\u7ae0A-3.webp 1448w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-wd-divider wd-style-line wd-905136db\"><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-79deb64b\">Why Manufacturing Process Affects Batch-to-Batch Consistency<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-52bf7181\">Process Variables That Drive Batch Variation<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3a56adb1\">Batch-to-batch variation in sodium alginate viscosity, purity, and solubility can originate at multiple points in the manufacturing process. The most common sources of variation include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Raw material variation<\/strong> \u2014 seasonal or sourcing changes in seaweed alginate content or molecular weight cascade through the process to affect finished product viscosity<\/li>\n\n\n\n<li><strong>Extraction condition variation<\/strong> \u2014 temperature or time deviations in the alkali extraction step affect molecular weight and therefore viscosity<\/li>\n\n\n\n<li><strong>Filtration efficiency variation<\/strong> \u2014 changes in filter condition or separation performance affect insoluble matter levels<\/li>\n\n\n\n<li><strong>Drying condition variation<\/strong> \u2014 affects moisture content and can cause over-drying (which may affect product properties) or under-drying (which increases moisture content and reduces shelf life)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3ad35fc7\">Suppliers with consistent raw material sourcing, automated process control, and rigorous in-process testing are better positioned to deliver consistent batch-to-batch product quality than those with variable raw material sources or manual process control.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-00db96fd\">What Consistent Manufacturing Looks Like in Documentation<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-46720430\">From a procurement perspective, manufacturing consistency shows up in the documentation the supplier provides. Consistent manufacturing produces:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CoA values that cluster closely around the TDS specification values \u2014 not CoA values that vary widely within a broad specification range<\/li>\n\n\n\n<li>Viscosity values across multiple batches that show low standard deviation relative to the specification range<\/li>\n\n\n\n<li>Insoluble matter values that are consistently well below the stated maximum, not periodically at or near the limit<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-45cc2221\"><a href=\"https:\/\/fsxchemical.com\/id\/contact-us\/\" data-type=\"page\" data-id=\"20\">When evaluating a new sodium alginate supplier, requesting CoA data from five to ten recent production batches (rather than a single batch) gives you a much better picture of actual manufacturing consistency than any single batch result.<\/a><\/p>\n\n\n\n<div class=\"wp-block-wd-divider wd-style-line wd-3113de98\"><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-6ce9e457\">Questions to Ask a Sodium Alginate Supplier About Their Production Process<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-74d2a3a3\">The following questions help you assess a supplier&#8217;s manufacturing capability and raw material control \u2014 information that is relevant to long-term supply reliability and product consistency:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Which seaweed species is used as the raw material for this grade, and is it cultivated or wild-harvested?<\/li>\n\n\n\n<li>Where is the seaweed sourced from, and how do you manage raw material consistency across seasons?<\/li>\n\n\n\n<li>What is the typical range of batch-to-batch viscosity variation for this grade? Can you provide CoA data from recent batches?<\/li>\n\n\n\n<li>Is molecular weight adjusted through controlled depolymerization for any grades, and if so, what method is used?<\/li>\n\n\n\n<li>What in-process quality control testing is performed, and at which process stages?<\/li>\n\n\n\n<li>What is your annual production capacity for this grade, and what lead times apply for standard and urgent orders?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3db7ed73\"><a href=\"https:\/\/fsxchemical.com\/id\/contact-us\/\" data-type=\"page\" data-id=\"20\">A supplier who can answer these questions clearly and provide supporting data is demonstrating transparency about their manufacturing process \u2014 which is a meaningful indicator of supply reliability beyond the product specification itself.<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/Sodium-alginate-is-from-FSX-Chemical-4-1024x1024.webp\" class=\"wp-image-7952\" style=\"width:485px;height:auto\" srcset=\"https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/Sodium-alginate-is-from-FSX-Chemical-4-1024x1024.webp 1024w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/Sodium-alginate-is-from-FSX-Chemical-4-300x300.webp 300w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/Sodium-alginate-is-from-FSX-Chemical-4-150x150.webp 150w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/Sodium-alginate-is-from-FSX-Chemical-4-768x768.webp 768w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/Sodium-alginate-is-from-FSX-Chemical-4-600x600.webp 600w, https:\/\/fsxchemical.com\/wp-content\/uploads\/2025\/11\/Sodium-alginate-is-from-FSX-Chemical-4.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-wd-divider wd-style-line wd-e2c0f89c\"><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-242ed395\">How FSX Chemical Supports Informed Procurement Decisions<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c5f80bfe\"><a href=\"https:\/\/fsxchemical.com\/id\/applications\/sodium-alginate-application\/\" data-type=\"page\" data-id=\"6069\">FSX Chemical supplies sodium alginate for textile printing and related industrial applications. We provide technical datasheets, batch-specific certificates of analysis, and safety data sheets as standard documentation for all orders.<\/a><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7b7f9100\">If you have questions about the raw material source, manufacturing process, or batch consistency for any grade we supply, our technical team can provide clarification to support your supplier evaluation.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-49bfb3f6\"><strong>Next steps:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/fsxchemical.com\/id\/contact-us\/\" data-type=\"page\" data-id=\"20\"><strong>Request a TDS<\/strong> \u2014 review grade specifications including viscosity, DS, purity, and moisture content<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/fsxchemical.com\/id\/contact-us\/\" data-type=\"page\" data-id=\"20\"><strong>Request Multi-Batch CoA Data<\/strong> \u2014 assess batch-to-batch consistency before committing to a supply relationship<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/fsxchemical.com\/id\/contact-us\/\" data-type=\"page\" data-id=\"20\"><strong>Request a Sample<\/strong> \u2014 evaluate product performance under your preparation and production conditions<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/fsxchemical.com\/id\/contact-us\/\" data-type=\"page\" data-id=\"20\"><strong>Contact Our Technical Team<\/strong> \u2014 for questions about raw material sourcing, manufacturing process, or grade-specific productio<\/a>n details\ud83d\udce7 <strong>Email<a href=\"https:\/\/fsxchemical.com\/id\/contact-us\/\">: Service@fsxchemical.com<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding sodium alginate raw material source and manufacturing process helps procurement teams ask better questions and evaluate suppliers more effectively. This guide covers seaweed species, extraction steps, impurity origins, and what consistent manufacturing looks like in supplier documentation.<\/p>","protected":false},"author":2,"featured_media":7607,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Sodium Alginate Raw Material and Manufacturing Process: A Procurement Guide | FSX Chemical","_seopress_titles_desc":"Where does sodium alginate come from and how is it made? This guide explains seaweed species, extraction steps, impurity origins, and why manufacturing process quality affects batch consistency for textile printing.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[1],"tags":[1177,1175,1173,1174,1176,87,1178],"class_list":["post-4360","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-guides","tag-batch-consistency","tag-manufacturing-process","tag-quality-control","tag-raw-material","tag-seaweed-extract","tag-sodium-alginate","tag-supplier-evaluation"],"acf":[],"_links":{"self":[{"href":"https:\/\/fsxchemical.com\/id\/wp-json\/wp\/v2\/posts\/4360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fsxchemical.com\/id\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fsxchemical.com\/id\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fsxchemical.com\/id\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/fsxchemical.com\/id\/wp-json\/wp\/v2\/comments?post=4360"}],"version-history":[{"count":5,"href":"https:\/\/fsxchemical.com\/id\/wp-json\/wp\/v2\/posts\/4360\/revisions"}],"predecessor-version":[{"id":7954,"href":"https:\/\/fsxchemical.com\/id\/wp-json\/wp\/v2\/posts\/4360\/revisions\/7954"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fsxchemical.com\/id\/wp-json\/wp\/v2\/media\/7607"}],"wp:attachment":[{"href":"https:\/\/fsxchemical.com\/id\/wp-json\/wp\/v2\/media?parent=4360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fsxchemical.com\/id\/wp-json\/wp\/v2\/categories?post=4360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fsxchemical.com\/id\/wp-json\/wp\/v2\/tags?post=4360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}