{"id":290951,"date":"2024-10-19T19:45:00","date_gmt":"2024-10-19T19:45:00","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-186432016\/"},"modified":"2024-10-25T16:46:03","modified_gmt":"2024-10-25T16:46:03","slug":"bs-iso-186432016","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-186432016\/","title":{"rendered":"BS ISO 18643:2016"},"content":{"rendered":"

This International Standard specifies the test procedure for determination of the biuret content in liquid and solid urea-based fertilizers based on the HPLC method.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\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 Principle
4 Reagents
5 Apparatus <\/td>\n<\/tr>\n
10<\/td>\n6 Procedure
6.1 Preparation of test sample
6.2 Preparation of test solution
6.3 Preparation of biuret working standard solutions
6.4 HPLC conditions <\/td>\n<\/tr>\n
11<\/td>\n6.5 Preparation of standard curve
6.6 Determination of the biuret content in the test solution
6.7 Calculation and expression of the results
6.8 Precision
6.8.1 Ring test <\/td>\n<\/tr>\n
12<\/td>\n6.8.2 Repeatability, r\u00a0
6.8.3 Reproducibility, R\u00a0
7 Test report <\/td>\n<\/tr>\n
13<\/td>\nAnnex\u00a0A (informative) Report of international laboratories ring test <\/td>\n<\/tr>\n
19<\/td>\nAnnex\u00a0B (informative) Alternative method for determination of biuret in fertilizers <\/td>\n<\/tr>\n
20<\/td>\nBibilography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Fertilizers and soil conditioners. Determination of biuret content of urea-based fertilizers. HPLC 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>\n2016<\/td>\n24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":290959,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-290951","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/290951","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\/290959"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=290951"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=290951"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=290951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}