{"id":362250,"date":"2024-10-20T01:39:45","date_gmt":"2024-10-20T01:39:45","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-23753-12019a12020\/"},"modified":"2024-10-26T02:36:16","modified_gmt":"2024-10-26T02:36:16","slug":"bs-en-iso-23753-12019a12020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-23753-12019a12020\/","title":{"rendered":"BS EN ISO 23753-1:2019+A1:2020"},"content":{"rendered":"

This document specifies a method for determining the activity of dehydrogenases enzymes in soil using 2,3,5-triphenyltetrazolium chloride (TTC).<\/p>\n

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
4<\/td>\nEuropean foreword
Anchor 3
Foreword to amendment A1 <\/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
4 Principle
5 Limitations <\/td>\n<\/tr>\n
10<\/td>\n6 Reagents and materials
6.1 Soil.
6.5 Analytical grade ethanol (96 %).
6.6 Triphenylformazan (TPF) solutions. <\/td>\n<\/tr>\n
11<\/td>\n7 Apparatus
7.1 Visible light spectrophotometer.
7.2 pH meter.
7.3 Suitable U-bottom tubes (35 to 50) ml, volumetric flasks, pipettes and cuvettes.
8 Procedure
8.1 Establishment of standard curve
8.2 Sampling <\/td>\n<\/tr>\n
12<\/td>\n9 Calculation
10 Validity criteria
10.1 Standard curve
10.2 Samples <\/td>\n<\/tr>\n
13<\/td>\n11 Test report <\/td>\n<\/tr>\n
14<\/td>\nAnnex A (informative) Results of modified parameters <\/td>\n<\/tr>\n
17<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Soil quality. Determination of dehydrogenases activity in soils – Method using triphenyltetrazolium chloride (TTC)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2020<\/td>\n18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":362257,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[225,2641],"product_tag":[],"class_list":{"0":"post-362250","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-080-30","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\/362250","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\/362257"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=362250"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=362250"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=362250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}