GB/T 3598-1983
Abolished
T/SDAQI 034-2021
Active
Group standards
T/SDAQI 034-2021 Determination of Hexavalent Chromium Content in Fertilizer Using Spectrophotometry
T/SDAQI 034-2021 Determination of Hexavalent Chromium Content in Fertilizer Using Spectrophotometry
Price:
$ 20.00
Basic Information
Standard Code:
T/SDAQI 034-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Chemical industry
ICS Name:
Fertilizer
Publish Date:
2021-09-25
Implement Date:
2021-10-25
Scope
Scope: This method is applicable to the determination of hexavalent chromium content in water-soluble fertilizers; Main technical content: In an acidic solution, hexavalent chromium reacts with diphenylcarbodiimide to form a purple-red complex, which is measured by spectrophotometry at a maximum absorption wavelength of 540 nm.
Development Information
Related Standards
GB 8569-1997
Replaced
GB 8569-1997 Packing of solid chemical fertilizers
GB/T 8570.1-1988
Replaced
GB/T 8570.1-1988 Liquefied anhydrous ammonia—Taking a laboratory sample
GB/T 8570.2-1988
Replaced
GB/T 8570.2-1988 Liquefied anhydrous ammonia—Estimating of ammonia content
GB/T 8570.3-1988
Replaced
GB/T 8570.3-1988 Liquefied anhydrous ammonia—Determination of residue content—Gravimetric method
GB/T 8570.4-1988
Replaced