{"id":291090,"date":"2024-10-19T19:45:40","date_gmt":"2024-10-19T19:45:40","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-198222018\/"},"modified":"2024-10-25T16:47:03","modified_gmt":"2024-10-25T16:47:03","slug":"bs-iso-198222018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-198222018\/","title":{"rendered":"BS ISO 19822:2018"},"content":{"rendered":"

This document specifies the procedure for the analysis of humic acids and hydrophobic fulvic acids which is applicable to dry and liquid materials used as ingredients in commercial fertilizers, soil amendments, and geological deposits.<\/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
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 Principles
5 Warnings
5.1 Requirements
5.1.1 Good laboratory practices
5.1.2 Moisture control
5.3 Lignosulfonates
5.4 Temperature control
6 Reagents <\/td>\n<\/tr>\n
11<\/td>\n7 Apparatus <\/td>\n<\/tr>\n
12<\/td>\n8 Preparing crucibles, drying, and weighing samples
8.1 Preparing crucibles
8.2 Drying and weighing solid analytical samples <\/td>\n<\/tr>\n
13<\/td>\n8.3 Drying and weighing liquid samples
9 Extraction procedure
9.2 Separation of HA <\/td>\n<\/tr>\n
14<\/td>\n10 Determination of ash content
11 Separation of Hydrophobic Fulvic Acids (HFA) <\/td>\n<\/tr>\n
15<\/td>\n12 Hydrogen ion exchange <\/td>\n<\/tr>\n
16<\/td>\n13 Calculations
13.1 Determination of ash-free HA weight
13.2 Determination of ash-free HFA weight
13.3 Determination of % analyte in solid analytical samples
13.4 Determination of % analyte in liquid samples
14 Resin regeneration and column preparation
14.1 General <\/td>\n<\/tr>\n
17<\/td>\n14.1.1 Preparation of chromatography resin
14.1.2 Chromatography column preparation
14.1.3 Chromatography Resin regeneration
14.2 Regeneration of hydrogen form H+ exchange resin <\/td>\n<\/tr>\n
18<\/td>\nAnnex A (informative) Procedure to confirm the presence lignosulfonates <\/td>\n<\/tr>\n
21<\/td>\nAnnex B (informative) ISO\/CD 19822 interlaboratory study <\/td>\n<\/tr>\n
24<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Fertilizers and soil conditioners. Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials<\/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":291095,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-291090","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\/291090","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\/291095"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=291090"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=291090"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=291090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}