{"id":372407,"date":"2024-10-20T02:29:09","date_gmt":"2024-10-20T02:29:09","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-23753-22019a12020\/"},"modified":"2024-10-26T04:20:01","modified_gmt":"2024-10-26T04:20:01","slug":"bs-en-iso-23753-22019a12020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-23753-22019a12020\/","title":{"rendered":"BS EN ISO 23753-2:2019+A1:2020"},"content":{"rendered":"<p>This document specifies a method for determining activity of dehydrogenases in soil, using 2-(4-iodophenyl)-3-(4-nitrophenyl)-5-phenyltetrazolium chloride (INT)<sup>[<\/sup><sup>1<\/sup><sup>]-[<\/sup><sup>5<\/sup><sup>]<\/sup>. As the INT reduction is less sensitive to O<sub>2<\/sub>, the method is more robust than the TTC-method described in ISO&nbsp;23753\u20111.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>4<b><\/td>\n<td>European foreword <br \/> Anchor 4 <br \/> Foreword to amendment A1  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions <br \/> 4 Principle <br \/> 5 Limitations  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>6 Reagents and materials <br \/> 6.1 Soil <br \/> 6.5 Analytical grade acetone. <br \/> 6.6 INTF stock solution. <br \/> 7 Apparatus <br \/> 7.1 Visible light spectrophotometer. <br \/> 7.2 pH-meter.  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>7.6 Ultrasonic probe. <br \/> 7.7 Orbital tube shaker. <br \/> 8 Procedure <br \/> 8.1 Establishment of standard curve <br \/> 8.2 Sampling  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>9 Calculation <br \/> 10 Validity criteria <br \/> 10.1 Standard curve  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>10.2 Samples <br \/> 11 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>Annex A (informative) Results of modified parameters  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Soil quality Determination of dehydrogenases activity in soils &#8211; Method using iodotetrazolium chloride (INT)<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2021<\/td>\n<td>18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":372416,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[225,2641],"product_tag":[],"class_list":{"0":"post-372407","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\/372407","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\/372416"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=372407"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=372407"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=372407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}