{"id":408488,"date":"2024-10-20T05:30:55","date_gmt":"2024-10-20T05:30:55","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-238212022\/"},"modified":"2024-10-26T10:02:38","modified_gmt":"2024-10-26T10:02:38","slug":"bs-en-iso-238212022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-238212022\/","title":{"rendered":"BS EN ISO 23821:2022"},"content":{"rendered":"

This document specifies a method for determination of mercury in cosmetics by means of cold vapour atomic absorption spectrometry (AAS) with a prior pressure digestion.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
4<\/td>\nEuropean foreword
Endorsement notice <\/td>\n<\/tr>\n
6<\/td>\nForeword <\/td>\n<\/tr>\n
7<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents <\/td>\n<\/tr>\n
11<\/td>\n6 Apparatus and equipment <\/td>\n<\/tr>\n
12<\/td>\n7 Procedure
7.1 General
7.2 Preparation of samples
7.3 Pressure assisted digestion
7.3.1 General
7.3.2 Preparation of sample by digestion \u2014 General case
7.3.3 Preparation of sample by digestion \u2014 Specific cases <\/td>\n<\/tr>\n
13<\/td>\n7.3.4 Microwave digestion procedure
7.3.5 Preparation of measurement solutions <\/td>\n<\/tr>\n
14<\/td>\n7.4 Atomic absorption spectrometry (cold vapour AAS)
7.4.1 Spectrometry settings
7.4.2 Example for AAS determination using cold vapour technology
7.5 Quality control of the analysis
8 Evaluation
8.1 Calculation <\/td>\n<\/tr>\n
15<\/td>\n8.2 Limit of quantification
8.3 Reliability of the method
9 Test report <\/td>\n<\/tr>\n
16<\/td>\n10 Alternative stabilizing reagents
11 Short-term stabilization when measuring with potassium permanganate solution <\/td>\n<\/tr>\n
17<\/td>\nAnnex A (informative) Performance of the method determined via ISO 5725 statistical approach <\/td>\n<\/tr>\n
20<\/td>\nAnnex B (informative) Common interlaboratory test results of ISO 23674[4] and this document <\/td>\n<\/tr>\n
23<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Cosmetics. Analytical methods. Determination of traces of mercury in cosmetics by atomic absorbtion spectrometry (AAS) cold vapour technology after pressure digestion<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2022<\/td>\n24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":408500,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1035,2641],"product_tag":[],"class_list":{"0":"post-408488","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-71-100-70","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\/408488","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\/408500"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=408488"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=408488"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=408488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}