{"id":338511,"date":"2024-10-19T23:41:19","date_gmt":"2024-10-19T23:41:19","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-214222018\/"},"modified":"2024-10-25T22:47:31","modified_gmt":"2024-10-25T22:47:31","slug":"bs-iso-214222018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-214222018\/","title":{"rendered":"BS ISO 21422:2018"},"content":{"rendered":"

This document specifies a method for the determination of chloride in milk, milk products, infant formula and adult nutritionals by potentiometry[<\/sup>1<\/sup>][<\/sup>2<\/sup>][<\/sup>3<\/sup>][<\/sup>4<\/sup>]<\/sup> with an analytical range of 0,35 mg chloride\/100 g to 711,6 mg chloride\/100 g product, or ready-to-feed products.<\/p>\n

PDF Catalog<\/h4>\n\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>\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
5 Reagents <\/td>\n<\/tr>\n
10<\/td>\n6 Preparation of solutions
6.1 Standardized AgNO3 solution, c = 0,1 mol\/l.
6.2 NaCl solution, c = 0,1 mol\/l.
6.3 Precipitating solution (Carrez) I.
6.4 Precipitating solution (Carrez) II.
6.5 HNO3 solution, c = 4 mol\/l. <\/td>\n<\/tr>\n
11<\/td>\n6.6 AgNO3 solution, c = 0,025 mol\/l (optional).
6.7 NaCl solution, c = 0,025 mol\/l (optional).
6.8 KNO3 solution, c = 1 mol\/l.
7 Apparatus <\/td>\n<\/tr>\n
12<\/td>\n8 Sample preparation
8.1 Powders, for milk, milk products and infant formula
8.2 Cheese, for hard or rinded cheese
8.3 Butter
9 Extraction
9.1 Cheese <\/td>\n<\/tr>\n
13<\/td>\n9.2 Butter
9.3 Milk, milk products, infant formula and adult nutritional products
9.4 Procedure
10 Instrument operating conditions
10.1 Check and maintenance of the combined silver electrode
10.2 Titration <\/td>\n<\/tr>\n
14<\/td>\n10.3 Determination of very low amounts of chloride
10.4 Blank test
11 System suitability test
12 Calculations <\/td>\n<\/tr>\n
15<\/td>\n13 Precision
13.1 General
13.2 Repeatability <\/td>\n<\/tr>\n
16<\/td>\n13.3 Reproducibility <\/td>\n<\/tr>\n
17<\/td>\n14 Test report <\/td>\n<\/tr>\n
18<\/td>\nAnnex A (informative) Examples of titration end point determination <\/td>\n<\/tr>\n
20<\/td>\nAnnex B (informative) Precision data <\/td>\n<\/tr>\n
22<\/td>\nAnnex C (informative) Comparison of results between sample extraction with and without additional protein precipitation <\/td>\n<\/tr>\n
24<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Milk, milk products, infant formula and adult nutritionals. Determination of chloride. Potentiometric titration method<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2018<\/td>\n26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":338519,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[960,2641],"product_tag":[],"class_list":{"0":"post-338511","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-67-100-10","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\/338511","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\/338519"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=338511"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=338511"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=338511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}