{"id":372315,"date":"2024-10-20T02:28:43","date_gmt":"2024-10-20T02:28:43","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-22863-92021\/"},"modified":"2024-10-26T04:19:08","modified_gmt":"2024-10-26T04:19:08","slug":"bs-iso-22863-92021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-22863-92021\/","title":{"rendered":"BS ISO 22863-9:2021"},"content":{"rendered":"

This document specifies the test method for the determination of the mercury content in pyrotechnic compositions by hydride generation atomic fluorescence spectrometry.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nNational foreword <\/td>\n<\/tr>\n
6<\/td>\nForeword <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions
4 Principle of the method
5 Reagents
5.1 Hydrochloric acid (GR)
5.2 Nitric acid (GR)
5.3 Potassium dichromate (GR) <\/td>\n<\/tr>\n
10<\/td>\n5.4 Sodium hydroxide (GR)
5.5 Potassium borohydride (AR)
5.6 Nitric acid solution (volume fraction 5 %):
5.7 Nitric diluted solution of potassium dichromate (0,5 g\/l):
5.8 Hydrochloric acid-nitric acid mixed reagent [(1 + 1) aqua regia]:
5.9 Sodium hydroxide solution (mass fraction 0,2 %):
5.10 Potassium borohydride solution (mass fraction 2 %):
5.11 Mercury standard solution (1 000 mg\/l)
5.12 Mercury standard intermediate solution (1 \u00b5g\/ml):
5.13 Mercury standard use solution (20 \u00b5g\/l):
5.14 Preparation of mercury standard working curve solutions:
6 Apparatus
6.1 Agate mortar
6.2 80 mesh standard sample sieve
6.3 Water bath <\/td>\n<\/tr>\n
11<\/td>\n6.5 Volumetric flasks (50 ml)
6.7 Filter paper
7 Test procedure
7.1 Sample pre-treatment, digestion and preparation of the solution to be tested
7.2 Test conditions
8 Calculations <\/td>\n<\/tr>\n
12<\/td>\n9 Accuracy
10 Other
11 Test report <\/td>\n<\/tr>\n
13<\/td>\nAnnex A (informative) Standard addition method <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Fireworks. Test methods for determination of specific chemical substances – Mercury content by hydride generation atomic fluorescence spectrometry<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":372324,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1028,2641],"product_tag":[],"class_list":{"0":"post-372315","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-71-100-30","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\/372315","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\/372324"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=372315"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=372315"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=372315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}