GSO ISO 12782-1:2013
土壤质量 淋滤的地球化学形成因素以及土壤和材料中的成分类型 第1部分:用抗坏血酸提取铁氧化物和无定形氢氧化物

Soil quality -- Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials -- Part 1: Extraction of amorphous iron oxides and hydroxides with ascorbic acid


 

 

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标准号
GSO ISO 12782-1:2013
发布
2013年
发布单位
GSO
当前最新
GSO ISO 12782-1:2013
 
 
适用范围
This part of ISO 12782 specifies the determination of the content of “reactive” iron in the form of amorphous iron oxides and hydroxides in soil and other materials by extraction with ascorbic acid. Other materials also include waste. The content of “reactive” iron can be used as input in geochemical models to represent the content of amorphous iron (hydr)oxides. NOTE Although the ammonium oxalate/oxalic acid extraction (ISO 12782-3) is commonly used to estimate “reactive” iron in the form of iron oxides and hydroxides, this part of ISO 12782, in conjunction with ISO 12782-2, has been shown to be more specific for the extraction of amorphous and crystalline iron (hydr)oxides, respectively.

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