{"id":291087,"date":"2024-10-19T19:45:39","date_gmt":"2024-10-19T19:45:39","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-197462017\/"},"modified":"2024-10-25T16:47:00","modified_gmt":"2024-10-25T16:47:00","slug":"bs-iso-197462017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-197462017\/","title":{"rendered":"BS ISO 19746:2017"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
6<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Principles 5 Reagents <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 6 Apparatus 7 Procedures 7.1 Preparation of test sample 7.2 Preparation of the test solution <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 7.3 Preparation of urea working standard solution 7.4 HPLC conditions 7.5 Preparation of standard curve <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 7.6 Determination of the urea content in the test solution 7.7 Calculation and expression of results 7.8 Precision 7.8.1 Repeatability, r 7.8.2 Reproducibility, R 7.9 Test report <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | Annex\u00a0A (informative) Examples of the retention times of triuret, biuret, urea and some other ureaforms <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Determination of urea content in urea-based fertilizers by high performance liquid chromatography (HPLC)<\/b><\/p>\n |