{"id":108479,"date":"2024-07-14T13:45:45","date_gmt":"2024-07-14T19:45:45","guid":{"rendered":"https:\/\/purmabiologics.com\/blog\/?post_type=product&#038;p=108479"},"modified":"2026-07-31T14:37:09","modified_gmt":"2026-07-31T20:37:09","slug":"purma-edta-buffer-solution","status":"publish","type":"product","link":"https:\/\/purmabiologics.com\/blog\/product\/purma-edta-buffer-solution\/","title":{"rendered":"EDTA Buffer Solution"},"content":{"rendered":"<h2>Background<\/h2>\n<p>PurMa Biologics manufactures various grades of PurMa EDTA Buffer Solution NaEDTA\u20222HO using different grades of water ( see below). Moreover, EDTA solution is suitable for biochemistry or molecular biology applications requiring a chelator of divalent metal ions. Additionally, we adjust the pH to 8.0 with sodium hydroxide.<\/p>\n<h2><strong>Features<\/strong><\/h2>\n<ul>\n<li>Cell Culture Suited.<\/li>\n<li>provides a\u00a0 cost-effective and easy to use buffer.<\/li>\n<li>Suitable for a variety of biochemical applications.<\/li>\n<li>EDTA\u00a0 chelates\u00a0 heavy metals such as Mg<sup>2+<\/sup> and Ca <sup>2+<\/sup>.<\/li>\n<li>PurMa Biologics manufactures EDTA in Mg<sup>2+<\/sup> and Ca <sup>2+<\/sup>-free water.<\/li>\n<li>Free of RNAse \/DNase<\/li>\n<li>Free of Proteases. It is rigorously tested for contaminating nonspecific endonuclease, exonuclease, and RNase activity.<\/li>\n<li>It is rigorously tested for contamination of endotoxin and mycoplasma.<\/li>\n<li>Is manufactured in two pH formats: pH: 8.00 \u00b1 0.01 and 8.5 \u00b1 0.01 at 25\u00b0C.<\/li>\n<li>Sterile filtered by 0.22\u00b5m membrane (in case of endotoxin depleted HBSS by 0.1\u00b5m)<\/li>\n<li>It is packed under N<sub>2; <\/sub>therefore, the pH won\u2019t change over time before opening the bottle.<\/li>\n<\/ul>\n<h2>Formulation<\/h2>\n<p>For complete formulation, click here:<strong><a href=\"https:\/\/purmabiologics.com\/blog\/wp-content\/uploads\/2023\/06\/EDTA-Formulation.pdf\"><span style=\"color: #0000ff;\">EDTA Formulation<\/span><\/a><\/strong><\/p>\n<h3><strong>PurMa Biologics Manufactures Several Grades of Buffers<\/strong><\/h3>\n<h3><strong>Regular Grade Buffer<\/strong><\/h3>\n<p>PurMa Biologics manufactures Regular grade of buffer by using:\u00a0 <a href=\"https:\/\/purmabiologics.com\/blog\/product\/cell-culture-suited-water\/\">PurMa\u2122 Cell Culture Suited Water (Cat# P3W110101)<\/a><\/p>\n<p>We sterilize the buffers by autoclaving the solution. Finally we pack the buffer in our Class 100 Aseptic Facility.<\/p>\n<h3><strong>Cell Culture Suited Grade Buffer<\/strong><\/h3>\n<p>PurMa Biologics manufactures this grade of buffer by using :<a href=\"https:\/\/purmabiologics.com\/blog\/product\/cell-culture-suited-water\/\">PurMa\u2122 <\/a><a href=\"https:\/\/purmabiologics.com\/blog\/product\/cell-culture-suited-water\/\">Cell Culture Suited Water (Cat# P3W110101)<\/a><\/p>\n<p>After adjusting the pH, we finally, sterilize the buffer by\u00a0 3 times passing through 0.2 \u00b5m filters. Additionally,\u00a0 We pack the buffer under N2 gas\u00a0 in our Class 100 Aseptic Facility.<\/p>\n<h3><strong>RNase and DNase Free Grade Buffer<\/strong><\/h3>\n<p>PurMa Biologics manufactures this grade of buffer by using :<a href=\"https:\/\/purmabiologics.com\/blog\/product\/ultra-pure-cell-culture-suited-water\/\">PurMa\u2122 Ultra-Pure Cell Culture Suited Water (Cat# P3W110102) <\/a><\/p>\n<p>We sterilize the buffers by autoclaving the solution.\u00a0 Additionally, we pass the buffer\u00a0 three times through 0.1 \u00b5m filters,\u00a0 and finally\u00a0 pack it under N2 gas in our Class 100 Aseptic Facility.<\/p>\n<h3><strong>Cell Culture Suited \/ Endotoxin Depleted Grade Buffer<\/strong><\/h3>\n<p>PurMa Biologics manufactures this grade of buffer by using: <a href=\"https:\/\/purmabiologics.com\/blog\/product\/ultra-pure-cell-culture-suited-water\/\">PurMa\u2122 Ultra-Pure Cell Culture Suited Water (Cat# P3W110102) <\/a><\/p>\n<p>After depleting\u00a0 the endotoxins (see below for more details), we sterilize the buffer by 3 times passing through\u00a0 0.1 \u00b5m filters and pack under N2 gas in our Class 100 Aseptic Facility<\/p>\n<h2>The Endotoxin Removing Procedure from Buffer<\/h2>\n<p>PurMa Biologics has the most sophisticated endotoxin removal procedure. To remove this pathogen, we pass the buffer \u00a0through the PurMa\u2122 Endotoxin Elimination Column (Cat# P6H1216251). Furthermore, in our proprietary column,\u00a0 we covalently conjugate Sepharose 6B\u00a0 to an endotoxin-specific absorbent. We finally\u00a0 eliminate the endotoxin residual by passing the unbound fraction three times through 0.1\u00b5m filters.<\/p>\n<h2><strong>References <\/strong><\/h2>\n<ol>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/14324816\/\" rel=\"nofollow noopener\" target=\"_blank\">Purification of two endonucleases from potato tubers. <\/a><\/span>BJOERK W. Biochim Biophys Acta. 1965 Apr 19;95:652-62. PMID: 14324816.<\/li>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/11125227\/\" rel=\"nofollow noopener\" target=\"_blank\">Chelating agents. <\/a><\/span>Bergan T, Klaveness J, Aasen AJ. Chemotherapy. 2001 Jan-Feb;47(1):10-4. doi: 10.1159\/000048495. PMID: 11125227.<\/li>\n<\/ol>\n<div class=\"table-1\">\n<table width=\"100%\">\n<thead>\n<tr>\n<th align=\"left\">Parameter<\/th>\n<th align=\"left\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\">Appearance<\/td>\n<td align=\"left\">Clear liquid<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">pH<\/td>\n<td align=\"left\">\u00a08.0 \u00b1 0.1; 8.5 \u00b1 0.1<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Osmolality<\/td>\n<td align=\"left\">\u00a0275-360 mOsm\/L<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Endotoxin<\/td>\n<td align=\"left\">\u00a0NMT&lt; 2EU\/mL<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Mycoplasma<\/td>\n<td align=\"left\">Negative<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Suitability<\/td>\n<td align=\"left\">\u00a0Suitable for mammalian cell culture<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Additive<\/td>\n<td align=\"left\">\u00a0N\/A<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Indicator<\/td>\n<td align=\"left\">\u00a0N\/A<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Mycoplasma Detection<\/td>\n<td align=\"left\">Negative<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Sterility Tested<\/td>\n<td align=\"left\">\u00a0Sterile filtered using 0.22 \u00b5m filter<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Form<\/td>\n<td align=\"left\">Liquid<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Shipping Condition<\/td>\n<td align=\"left\">\u00a0Room temperature<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PurMa Biologics manufactures various grades of EDTA Buffer\u00a0 solution using different grades of water. Moreover, EDTA solution is suitable for biochemistry or molecular biology applications requiring a chelator of divalent metal ions. In fact, we adjust the pH to 8.0 by sodium hydroxide.<\/p>\n","protected":false},"featured_media":127233,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[459],"product_tag":[623,581,657,619,656,648],"class_list":["post-108479","product","type-product","status-publish","has-post-thumbnail","product_cat-cell-culture-suited-buffers","product_tag-calcium-and-magnesium-free","product_tag-cell-culture","product_tag-chelator","product_tag-dnase-rnase-free","product_tag-edta-buffer","product_tag-endotoxin-depleted","entry","has-media","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-variable","has-product-nav","col","span_1_of_4","owp-content-center","owp-thumbs-layout-horizontal","owp-btn-normal","owp-tabs-layout-horizontal","has-no-thumbnails"],"acf":[],"_links":{"self":[{"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/product\/108479","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/comments?post=108479"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/media\/127233"}],"wp:attachment":[{"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/media?parent=108479"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/product_brand?post=108479"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/product_cat?post=108479"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/product_tag?post=108479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}