HJ 631-2011 in English
VALIDSoil-Determination of exchangeable acidity by barium chloride extraction-titration method
- Issued on:2011-12-06
- Implemented on:2012-03-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$117.00
本标准规定了测定土壤中可交换酸度的氯化钡提取-滴定法。
本标准适用于酸性土壤中可交换酸度的测定。
Scope
This standard specifies the barium oxide extraction-titration method for the determination of exchangeable acidity in soil. This standard is applicable to the determination of exchangeable acidity in acidic soils. When the sample amount is 2.50g and the extraction volume is adjusted to 100ml, the detection limit of this standard method is 0.50mmol/kg, and the lower determination limit is 2.00mmol/kg.

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