- Standard No.
- HG 2220-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Chemical Industry
- Latest
-
HG 2220-1991
- Replace
-
HG/T 2220-1991
- Scope
- This standard specifies the extraction and determination methods of total phosphorus and available phosphorus in double superphosphate. This standard is applicable to the determination of total phosphorus and available phosphorus content in double superphosphate.
HG 2220-1991 history
- 1991 HG 2220-1991 Determination of phosphorus content in double superphosphate quinoline phosphomolybdate gravimetric method
HG 2220-1991 Determination of phosphorus content in double superphosphate quinoline phosphomolybdate gravimetric method has been changed from HG/T 2220-1991 Determination of phosphorus content in double superphosphate quinoline phosphomolybdate gravimetric method.