| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HJ 649-2013 | English | 239 |
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Days<=3
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Soil. Determination of exchangeable acidity by potassium chloride extraction. Titration method
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HJ 649-2013
| Valid |
HJ 649-2013
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