DIN EN ISO 14855-2-2009 在控制复合条件下塑料材料极端好气菌生物降解性和非集合性的测定.第2部分:实验室规模试验中释放二氧化碳的比重测量 ISO

标准号：DIN EN ISO 14855-2-2009
中文标准名称：在控制复合条件下塑料材料*端好气菌生物降解性和非集合性的测定.第2部分:实验室规模试验中释放二氧化碳的比重测量 ISO
英文标准名称：Determination of the ultimate aerobic biodegradability of plastic materials under controlled composting conditions - Method by analysis of evolved carbon dioxide - Part 2: Gravimetric measurement of carbon dioxide evolved in a laboratory-scale test (ISO 1
标准类型：G31
发布日期：2009/10/1 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：G31
国际标准分类号：13.030.99;83.080.01
引用标准：ISO 5663;ISO 8245;ISO 11721-1;ISO 14855-1
适用范围：This part of ISO 14855 specifies a method for determining the ultimate aerobic biodegradability of plasticmaterials under controlled composting conditions by gravimetric measurement of the amount of carbon dioxideevolved. The method is designed to yield an optimum rate of biodegradation by adjusting the humidity, aerationand temperature of the compasting vessel.The method applies to the following materials:-- natural and/or synthetic polymers and copolymers, and mixtures of these;-- plastic materials that contain additives such as plasticizers or colorants;-- water-soluble polymers;-- materials that, under the test conditions, do not inhibit the activity of micro-organisms present in the inoculum.If the test material inhibits micro-organisms in the inoculum, another type of mature compost or pre-exposurecompost can be used.