{"id":290805,"date":"2024-10-19T19:44:19","date_gmt":"2024-10-19T19:44:19","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-172802015\/"},"modified":"2024-10-25T16:45:01","modified_gmt":"2024-10-25T16:45:01","slug":"bs-iso-172802015","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-172802015\/","title":{"rendered":"BS ISO 17280:2015"},"content":{"rendered":"<p>This International Standard provides a method for the determination of 1,4-dioxane residues in surfactants which are synthesized from epoxyethane, such as alkyl ether sulfates and alcohol ethoxylates.<\/p>\n<p>The method is applicable for samples containing 1,4-dioxane more than 5&nbsp;mg\/kg. For samples containing 1,4-dioxane more than 100&nbsp;mg\/kg, the sample solutions should be diluted to appropriate concentration.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>1\tScope <br \/> 2\tNormative references <br \/> 3\tPrinciple <br \/> 4\tReagents <br \/> 4.1\t1,4-Dioxane, purity 99,5\u00a0% minimum. <br \/> 4.2\t4-Methyl-1,3-dioxane, purity 98\u00a0% minimum. <br \/> 4.3\tN, N-dimethylformamide (DMF).  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>4.4\tCarrier gas: nitrogen or helium, purity 99,99\u00a0% minimum. <br \/> 5\tApparatus <br \/> 5.1\tAnalytical balance, 0,1\u00a0mg readability. <br \/> 5.2\tGas chromatography system, attached with temperature programmed device and flame ionization detector (FID). <br \/> 5.3\tHead space sampling unit <br \/> 5.4\t20\u00a0ml crimped top glass vials, sealing pliers and sealing clamp suitable for head space unit. <br \/> 5.5\tSeptum and crimped tops, lined with aluminium or PTFE, for closing the vials. <br \/> 5.6\tSealing pliers, for the vials. <br \/> 5.7\tCapillary column, capable of the separation characteristics shown in Figure\u00a02. <br \/> 5.8\tVolumetric flasks, 50\u00a0ml and 100\u00a0ml capacity. <br \/> 5.9\tGas tight syringes or glass pipettes, 1\u00a0ml\u00a0\u00b1\u00a00,01\u00a0ml capacity. <br \/> 6\tPreparation of calibration solutions <br \/> 6.1\tCalibration solution A  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>6.2\tCalibration solution B <br \/> 7\tProcedure <br \/> 7.1\tPreparation of the test sample <br \/> 7.2\tStandard addition procedure <br \/> 7.2.1\tPreparation of test sample solutions  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>7.2.2\tDetermination <br \/> 7.2.3\tExpression of results <br \/> 7.3\tRelative response factor procedure <br \/> 7.3.1\tDetermination of relative response factor  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>7.3.2\tPreparation of test sample solutions <br \/> 7.3.3\tDetermination <br \/> 7.3.4\tExpression of results <br \/> 8\tChromatographic conditions  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>9\tEvaluation <br \/> 9.1\tGeneral  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>9.2\tIdentification <br \/> 9.3\tCalculation <br \/> 10\tPrecision <br \/> 10.1\tRepeatability limit <br \/> 10.2\tReproducibility limit <br \/> 11\tTest report  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>Annex\u00a0A (informative)  Statistical data from the ring carried out  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Surface active agents. Determination of 1,4-dioxan residues in surfactants obtained from epoxyethane by gas chromatography<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2015<\/td>\n<td>18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":290811,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1030,2641],"product_tag":[],"class_list":{"0":"post-290805","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-71-100-40","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/290805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/290811"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=290805"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=290805"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=290805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}