ISO 12782-1:2012
土壤质量.土壤和材料成分的浸出和物种形成的地球化学模型参数.第1部分:带有维生素C的非晶质铁氧化物和氢氧化物提取

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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ISO 12782-1:2012

标准号
ISO 12782-1:2012
发布
2012年
发布单位
国际标准化组织
当前最新
ISO 12782-1:2012
 
 
引用标准
EN 14899 EN 15002 ISO 10381-1 ISO 10381-2 ISO 10381-3 ISO 10381-4 ISO 10381-5 ISO 10381-6 ISO 11464 ISO 11465 ISO 3696 ISO 5667-3
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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