{"id":445792,"date":"2024-10-20T08:43:33","date_gmt":"2024-10-20T08:43:33","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-66502023\/"},"modified":"2024-10-26T16:15:07","modified_gmt":"2024-10-26T16:15:07","slug":"bs-iso-66502023","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-66502023\/","title":{"rendered":"BS ISO 6650:2023"},"content":{"rendered":"

PDF Catalog<\/h4>\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
7<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
10<\/td>\n4 Principle
5 Reagents
5.1 Acetonitrile (ACN), HPLC grade.
5.2 N-(n-butyl) thiophosphoric triamide (NBPT), assay, of a mass fraction \u226598 %.
5.3 Dicyandiamide (DCD) assay, of a mass fraction \u226599 %.
5.4 Stock solutions.
5.4.1 NBPT stock solution (1 000 mg\/l).
5.4.2 DCD stock solution (1 000 mg\/l).
5.5 Standard solutions.
6 Apparatus and materials <\/td>\n<\/tr>\n
11<\/td>\n6.3 Ultrasonic bath.
7 Test procedure
7.1 General
7.2 Preparation of test sample
7.3 Preparation of the test solution
7.4 HPLC conditions <\/td>\n<\/tr>\n
12<\/td>\n7.5 Determination of standard working solutions and sample test solutions
7.5.1 Determination of standard working solutions
7.5.2 Determination of sample test solutions
8 Calculation and expression of results
8.1 General
8.2 Precision
8.2.1 Ring test
8.2.2 Repeatability, r <\/td>\n<\/tr>\n
13<\/td>\n8.2.3 Reproducibility, R
9 Test report <\/td>\n<\/tr>\n
14<\/td>\nAnnex A (normative) Typical HPLC chromatogram of DCD and NBPT <\/td>\n<\/tr>\n
15<\/td>\nAnnex B (informative) Interlaboratory test report ofthe International Laboratories Ring Test <\/td>\n<\/tr>\n
28<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Fertilizers, soil conditioners and beneficial substances. Simultaneous determination of N-(n-Butyl) thiophosphoric triamide and dicyandiamide by high-performance liquid chromatography<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2023<\/td>\n30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":445798,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-445792","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\/445792","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\/445798"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=445792"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=445792"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=445792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}