{"id":315762,"date":"2024-10-19T21:46:11","date_gmt":"2024-10-19T21:46:11","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-224042019\/"},"modified":"2024-10-25T19:54:54","modified_gmt":"2024-10-25T19:54:54","slug":"bs-iso-224042019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-224042019\/","title":{"rendered":"BS ISO 22404:2019"},"content":{"rendered":"

This document specifies a laboratory test method to determine the degree and rate of aerobic biodegradation level of plastic materials. This test method can also be applied to other materials.<\/p>\n

Biodegradation is determined by measuring the CO2<\/sub> evolved by the plastic material when exposed to marine sediments sampled from a sandy tidal zone and kept wet with salt-water under laboratory conditions.<\/p>\n

This test method is a simulation under laboratory conditions of the habitat found in sandy tidal zone that, in marine science, is called eulittoral zone.<\/p>\n

The conditions described in this document might not always correspond to the optimum conditions for the maximum degree of biodegradation to occur.<\/p>\n

Deviations from the test conditions described in this document are justified in the test report.<\/p>\n

PDF Catalog<\/h4>\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>\nundefined <\/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 Test environment
6 Reagents <\/td>\n<\/tr>\n
11<\/td>\n7 Apparatus
8 Procedure
8.1 Test material <\/td>\n<\/tr>\n
12<\/td>\n8.2 Reference material
8.3 Preparation of the sediment
8.4 Test setup
8.5 Pre-conditioning phase <\/td>\n<\/tr>\n
13<\/td>\n8.6 Start of the test
8.7 Carbon dioxide measurement <\/td>\n<\/tr>\n
14<\/td>\n8.8 End of the test
9 Calculation and expression of results
9.1 Calculation
9.1.1 Amount of CO2 produced <\/td>\n<\/tr>\n
16<\/td>\n9.1.2 Percentage of biodegradation
9.2 Expression and interpretation of results <\/td>\n<\/tr>\n
17<\/td>\n10 Validity of results
11 Test report <\/td>\n<\/tr>\n
18<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Plastics. Determination of the aerobic biodegradation of non-floating materials exposed to marine sediment. Method by analysis of evolved carbon dioxide<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2019<\/td>\n20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":315765,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1177,2641],"product_tag":[],"class_list":{"0":"post-315762","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-83-080-01","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\/315762","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\/315765"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=315762"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=315762"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=315762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}