DIN EN ISO 17226-2-2008
皮革.甲醛含量的化学测定.第2部分:比色分析法

Leather - Chemical determination of formaldehyde content - Part 2: Method using colorimetric analysis (ISO 17226-2:2008); German version EN ISO 17226-2:2008


 

 

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标准号
DIN EN ISO 17226-2-2008
发布日期
2008年08月
实施日期
废止日期
2009-09
中国标准分类号
Y45
国际标准分类号
59.140.30
发布单位
德国标准化学会
适用范围
This part of ISO 17226 specifies a method for the determination of free and released formaldehyde in leathers. This method is based on colorimetric analysis. The formaldehyde content is taken to be the quantity of free-formaldehyde and formaldehyde extracted through hydrolysis contained in a water extract from the leather under standard conditions. This process is not absolutely selective for formaldehyde. Other compounds such as extracted dyes could interfere at 412 nm.

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