{"id":646,"date":"2026-05-14T16:20:39","date_gmt":"2026-05-14T15:20:39","guid":{"rendered":"http:\/\/seamlessbio.de\/?page_id=646"},"modified":"2026-07-12T14:38:04","modified_gmt":"2026-07-12T13:38:04","slug":"bsa-standardqualitat","status":"publish","type":"page","link":"https:\/\/seamlessbio.de\/de\/bsa-standard-grade\/","title":{"rendered":"BSA Standardqualit\u00e4t"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"646\" class=\"elementor elementor-646\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-572e317 e-con e-atomic-element e-flexbox-base e-4e77fe0 \" data-id=\"572e317\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"572e317\" data-e-type=\"e-flexbox\" data-id=\"572e317\">\n    \t\t<div class=\"elementor-element elementor-element-29671eb elementor-widget elementor-widget-html\" data-id=\"29671eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!--\nYOAST SEO\nSlug:      \/bsa-standard-grade\/\nSEO Title: BSA Standard Grade | Bovine Serum Albumin | SeamlessBio EU\nMeta Desc: Bovine Serum Albumin Standard Grade for general cell culture, ELISA blocking and assay buffer supplement. CoA per lot. No MOQ. Free test samples. SeamlessBio EU supplier.\nFocus KW:  BSA standard grade bovine serum albumin supplier Europe\nImage:     bsa-standard-flasche.png\n-->\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@graph\":[\n{\"@type\":\"BreadcrumbList\",\"itemListElement\":[\n{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/seamlessbio.de\/\"},\n{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Albumin & Proteins\",\"item\":\"https:\/\/seamlessbio.de\/albumin-proteins\/\"},\n{\"@type\":\"ListItem\",\"position\":3,\"name\":\"BSA Standard Grade\",\"item\":\"https:\/\/seamlessbio.de\/bsa-standard-grade\/\"}\n]},\n{\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"What is BSA Standard Grade used for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"BSA Standard Grade is the most versatile bovine serum albumin for general cell culture supplementation, ELISA blocking, western blot blocking, assay buffer formulation and protein stabilisation. Cost-effective for high-volume routine applications.\"}},\n{\"@type\":\"Question\",\"name\":\"What is the purity of BSA Standard Grade?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"BSA Standard Grade from SeamlessBio has \u226596% purity (SDS-PAGE). CoA per lot included with full quality testing results. For applications requiring lower endotoxin or fatty acid-free specification, see BSA Low Endotoxin or BSA Fatty Acid-Free.\"}},\n{\"@type\":\"Question\",\"name\":\"What is the difference between BSA Standard and BSA Low Endotoxin?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"BSA Standard Grade: \u226596% purity, standard endotoxin \u2014 for routine cell culture, ELISA blocking and assay buffers. BSA Low Endotoxin: \u226596% purity, \u22641 EU\/mg \u2014 for endotoxin-sensitive cell culture, cytokine assays and primary cells where standard BSA endotoxin levels would interfere.\"}}\n]}\n]}\n<\/script>\n\n<div class=\"sb-pp\">\n\n<nav class=\"sb-pp-bc\">\n  <a href=\"https:\/\/seamlessbio.de\/\">Home<\/a> <span>\/<\/span>\n  <a href=\"https:\/\/seamlessbio.de\/albumin-proteins\/\">Albumin &amp; Proteins<\/a> <span>\/<\/span>\n  BSA Standard Grade\n<\/nav>\n\n<!-- HERO -->\n<div class=\"sb-pp-hero\">\n  <div class=\"sb-pp-hero-left\">\n    <div class=\"sb-pp-hero-eyebrow\">Bovine Serum Albumin \u00b7 Standard Grade \u00b7 General Cell Culture \u00b7 On Request<\/div>\n    <h1>BSA Standard Grade<\/h1>\n    <p class=\"sb-pp-hero-desc\">Bovine Serum Albumin Standard Grade \u2014 the most versatile albumin for general cell culture, ELISA blocking, western blot and assay buffer formulation. Cost-effective for high-volume routine applications. CoA per lot, no minimum order.<\/p>\n    <div class=\"sb-pp-hero-btns\">\n      <a href=\"mailto:info@seamlessbio.de?subject=BSA%20Standard%20Grade%20Enquiry\" class=\"sb-pp-btn-dark\">Request Quote or Sample<\/a>\n      <a href=\"https:\/\/seamlessbio.de\/albumin-proteins\/\" class=\"sb-pp-btn-outline\">All Albumin & Proteins<\/a>\n    <\/div>\n  <\/div>\n  <div class=\"sb-pp-hero-img\">\n    <img decoding=\"async\" src=\"https:\/\/seamlessbio.de\/wp-content\/uploads\/2026\/07\/bsa-standard-flasche.png\"\n         alt=\"BSA Standard Grade Bovine Serum Albumin Cell Culture ELISA \u2014 SeamlessBio Germany\"\n         onerror=\"this.style.display='none'\">\n  <\/div>\n<\/div>\n\n<!-- USP CARDS -->\n<div class=\"sb-pp-usps\">\n  <div class=\"sb-pp-usp\">\n    <div class=\"sb-pp-usp-num\">01<\/div>\n    <h3>Most Versatile BSA<\/h3>\n    <p>General cell culture, ELISA blocking, western blot, assay buffer \u2014 one grade for all routine applications.<\/p>\n  <\/div>\n  <div class=\"sb-pp-usp\">\n    <div class=\"sb-pp-usp-num\">02<\/div>\n    <h3>\u226596% Purity<\/h3>\n    <p>SDS-PAGE verified. CoA per lot with full QC results. Consistent lot-to-lot performance.<\/p>\n  <\/div>\n  <div class=\"sb-pp-usp\">\n    <div class=\"sb-pp-usp-num\">03<\/div>\n    <h3>Cost-Effective<\/h3>\n    <p>Standard grade \u2014 optimal price for high-volume routine applications. No premium specification where not needed.<\/p>\n  <\/div>\n  <div class=\"sb-pp-usp\">\n    <div class=\"sb-pp-usp-num\">04<\/div>\n    <h3>No MOQ \u00b7 Free Sample<\/h3>\n    <p>No minimum order. Free test samples on request. 48-hour quote. Processed in Germany.<\/p>\n  <\/div>\n<\/div>\n\n<!-- SPECS -->\n<div class=\"sb-pp-specs\">\n  <h2>Product Specifications<\/h2>\n  <table class=\"sb-pp-table\">\n    <tbody>\n    <tr><td>Product<\/td><td>Bovine Serum Albumin (BSA) \u2014 Standard Grade<\/td><\/tr>\n    <tr><td>Source<\/td><td>Bovine serum \u2014 USA, Australian or South American origin<\/td><\/tr>\n    <tr><td>Purity<\/td><td>\u226596% (SDS-PAGE)<\/td><\/tr>\n    <tr><td>Molecular Weight<\/td><td>~66.5 kDa<\/td><\/tr>\n    <tr><td>pH (10% solution)<\/td><td>6.8 \u2013 7.2<\/td><\/tr>\n    <tr><td>Appearance<\/td><td>White to off-white lyophilised powder<\/td><\/tr>\n    <tr><td>Solubility<\/td><td>Freely soluble in water \u2014 200 g\/L at 20\u00b0C<\/td><\/tr>\n    <tr><td>Available formats<\/td><td>Lyophilised powder \u00b7 Solution on request<\/td><\/tr>\n    <tr><td>Packaging<\/td><td>10 g \u00b7 50 g \u00b7 100 g \u00b7 500 g \u00b7 1 kg \u00b7 Bulk on request<\/td><\/tr>\n    <tr><td>Storage<\/td><td>+2\u00b0C to +8\u00b0C (solution) \u00b7 Room temperature (lyophilised, sealed)<\/td><\/tr>\n    <tr><td>Shelf Life<\/td><td>24 months from date of manufacture<\/td><\/tr>\n    <tr><td>Documentation<\/td><td>CoA per lot \u00b7 SDS<\/td><\/tr>\n    <tr><td>Minimum order<\/td><td>No minimum order quantity<\/td><\/tr>\n    <tr><td>Availability<\/td><td>On request \u00b7 Some sizes in shop<\/td><\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\n\n<!-- 2-COL -->\n<div class=\"sb-pp-twocol\">\n  <div>\n    <h2>Applications<\/h2>\n    <ul class=\"sb-pp-bullets\">\n      <li>General cell culture media supplement (0.1\u20134 mg\/mL)<\/li>\n      <li>ELISA blocking buffer (1\u20135% BSA in PBS or TBS)<\/li>\n      <li>Western blot blocking (3\u20135% BSA in TBST)<\/li>\n      <li>Immunohistochemistry blocking reagent<\/li>\n      <li>Assay buffer protein supplement and stabiliser<\/li>\n      <li>Protein standard calibration curves<\/li>\n      <li>Enzyme stabilisation and storage buffer supplement<\/li>\n      <li>Coating buffer for ELISA plates and microarrays<\/li>\n    <\/ul>\n  <\/div>\n  <div>\n    <h3>Which BSA Grade Do You Need?<\/h3>\n    <table class=\"sb-pp-table\">\n      <thead><tr><th>Application<\/th><th>Recommended Grade<\/th><\/tr><\/thead>\n      <tbody>\n      <tr><td>General cell culture<\/td><td>Standard \u2705<\/td><\/tr>\n      <tr><td>ELISA \/ western blot blocking<\/td><td>Standard \u2705<\/td><\/tr>\n      <tr><td>Primary cells, cytokine assays<\/td><td>Low Endotoxin<\/td><\/tr>\n      <tr><td>DMPK protein binding<\/td><td>Fatty Acid-Free<\/td><\/tr>\n      <tr><td>Lipid binding research<\/td><td>Fatty Acid-Free<\/td><\/tr>\n      <tr><td>Xeno-free required<\/td><td>rHSA Economy<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/div>\n\n<!-- FAQ -->\n<div class=\"sb-pp-faq\">\n  <h2>Frequently Asked Questions<\/h2>\n  <div class=\"sb-pp-faq-item\">\n    <h3>What is BSA Standard Grade used for?<\/h3>\n    <p>General cell culture supplementation, ELISA blocking, western blot blocking, assay buffer formulation and protein stabilisation. The most cost-effective BSA for high-volume routine applications.<\/p>\n  <\/div>\n  <div class=\"sb-pp-faq-item\">\n    <h3>What is the difference between Standard and Low Endotoxin BSA?<\/h3>\n    <p>Standard Grade: standard endotoxin \u2014 suitable for routine cell culture, ELISA and western blot. Low Endotoxin: \u22641 EU\/mg \u2014 required for endotoxin-sensitive applications, primary cells and cytokine assays where standard BSA endotoxin would interfere.<\/p>\n  <\/div>\n  <div class=\"sb-pp-faq-item\">\n    <h3>How do I dissolve BSA powder?<\/h3>\n    <p>Add BSA powder to buffer or water at room temperature. Stir gently \u2014 do not vortex or heat. BSA is freely soluble at 200 g\/L. Filter through 0.22 \u00b5m if sterility is required. Avoid repeated freeze-thaw of solutions.<\/p>\n  <\/div>\n<\/div>\n\n<!-- RELATED -->\n<div class=\"sb-pp-qs\">\n  <h2>Related Products<\/h2>\n  <div class=\"sb-pp-qs-grid\">\n    <a href=\"https:\/\/seamlessbio.de\/bsa-low-endotoxin\/\" class=\"sb-pp-qs-card\">\n      <div class=\"sb-pp-qs-card-label\">BSA \u00b7 \u22641 EU\/mg \u00b7 Primary Cells<\/div>\n      <div class=\"sb-pp-qs-card-link\">BSA Low Endotoxin \u2192<\/div>\n    <\/a>\n    <a href=\"https:\/\/seamlessbio.de\/bsa-fatty-acid-free\/\" class=\"sb-pp-qs-card\">\n      <div class=\"sb-pp-qs-card-label\">BSA \u00b7 Fatty Acid-Free \u00b7 DMPK<\/div>\n      <div class=\"sb-pp-qs-card-link\">BSA Fatty Acid-Free \u2192<\/div>\n    <\/a>\n    <a href=\"https:\/\/seamlessbio.de\/human-serum-albumin\/\" class=\"sb-pp-qs-card\">\n      <div class=\"sb-pp-qs-card-label\">HSA \u00b7 4 Grades \u00b7 IVD & Pharma<\/div>\n      <div class=\"sb-pp-qs-card-link\">Human Serum Albumin \u2192<\/div>\n    <\/a>\n    <a href=\"https:\/\/seamlessbio.de\/rhsa-economy\/\" class=\"sb-pp-qs-card\">\n      <div class=\"sb-pp-qs-card-label\">rHSA \u00b7 Xeno-Free \u00b7 BSA Alternative<\/div>\n      <div class=\"sb-pp-qs-card-link\">rHSA Economy \u2192<\/div>\n    <\/a>\n    <a href=\"https:\/\/seamlessbio.de\/fetal-bovine-serum\/\" class=\"sb-pp-qs-card\">\n      <div class=\"sb-pp-qs-card-label\">FBS \u00b7 9 Grades \u00b7 All Origins<\/div>\n      <div class=\"sb-pp-qs-card-link\">Fetal Bovine Serum \u2192<\/div>\n    <\/a>\n    <a href=\"https:\/\/seamlessbio.de\/albumin-proteins\/\" class=\"sb-pp-qs-card\">\n      <div class=\"sb-pp-qs-card-label\">BSA \u00b7 HSA \u00b7 rHSA \u00b7 All Grades<\/div>\n      <div class=\"sb-pp-qs-card-link\">All Albumin & Proteins \u2192<\/div>\n    <\/a>\n  <\/div>\n<\/div>\n\n<!-- CTA -->\n<div class=\"sb-pp-cta\">\n  <h2>Request BSA Standard Grade<\/h2>\n  <p>On request \u2014 free test samples available. 48-hour quote. No minimum order.<\/p>\n  <div class=\"sb-pp-cta-btns\">\n    <a href=\"mailto:info@seamlessbio.de?subject=BSA%20Standard%20Grade%20Enquiry\" class=\"sb-pp-btn-teal\">Request Quote or Sample<\/a>\n    <a href=\"https:\/\/seamlessbio.de\/albumin-proteins\/\" class=\"sb-pp-btn-outline-dark\">All Albumin & Proteins<\/a>\n  <\/div>\n<\/div>\n\n<\/div>\n\n<style>\n*,*::before,*::after{box-sizing:border-box}\n.sb-pp{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Arial,sans-serif;font-size:16px;color:#1a2e35;line-height:1.65;max-width:1100px;margin:0 auto;padding:32px 20px 80px}\n.sb-pp-bc{font-size:14px;color:#888;margin-bottom:24px}\n.sb-pp-bc a{color:#18b7b2;text-decoration:none}.sb-pp-bc span{color:#888}\n.sb-pp-hero{background:linear-gradient(135deg,#18b7b2 0%,#a8e6e4 60%,#e8f9f8 100%);border-radius:20px;padding:56px 48px;display:grid;grid-template-columns:1fr 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h1{font-size:28px}.sb-pp-usps,.sb-pp-qs-grid{grid-template-columns:1fr}}\n<\/style>\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Home \/ Albumin &amp; Proteins \/ BSA Standard Grade Bovine Serum Albumin \u00b7 Standard Grade \u00b7 General Cell Culture \u00b7 On Request BSA Standard Grade Bovine Serum Albumin Standard Grade [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","footnotes":""},"class_list":["post-646","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BSA Standard Fraction V (US Origin) | SeamlessBio<\/title>\n<meta name=\"description\" content=\"High-purity BSA (US origin) for cell culture and diagnostics. Certified quality for professional lab applications. Buy now at SeamlessBio.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/seamlessbio.de\/de\/bsa-standardqualitat\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BSA Standard Fraction V (US Origin) | SeamlessBio\" \/>\n<meta property=\"og:description\" content=\"High-purity BSA (US origin) for cell culture and diagnostics. Certified quality for professional lab applications. 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