GB/T 3598-1983
Abolished
GB/T 21634-2020
Active
National standards
GB/T 21634-2020 Triple superphosphate
GB/T 21634-2020 Triple superphosphate
Basic Information
Standard Code:
GB/T 21634-2020
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Fertilizers and chemical soil conditioners
ICS Name:
Fertilizer
Publish Date:
2020-11-19
Implement Date:
2021-06-01
Pages:
11 pages
Scope
This standard specifies the technical requirements, sampling, testing methods, inspection rules, marking and quality certificates, packaging, transportation, and storage of dicalcium phosphate.
This standard applies to powdered and granular dicalcium phosphate used in fertilizers, which are made from phosphate rock powder processed by wet or thermal phosphoric acid methods.
Development Information
Replace the following standards
Referenced Standards
GB/T 6003.1-1997 Test sieves of metal wire cloth
GB/T 6003.1-2012 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth
GB/T 6003.1-2022 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth
GB/T 6679-2003 General rules for sampling solid chemical products
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
GB 8569-1997 Packing of solid chemical fertilizers
GB/T 8569-2009 Packing of solid chemical fertilizers
GB 18382-2001 Fertilizer marking—Presentation and declaration
GB 18382-2021 Fertilizer marking—Presentation and declaration
GB 38400-2019 Limitation requirements of toxic and harmful substance in fertilizers
HG/T 2843-1997 Fertilizer products commonly used in chemical analysis include standard titration solutions, standard solutions, reagent solutions, and indicator solutions
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