GB/T 22923-2008 Active National standards

GB/T 22923-2008 Determination of nitrogen,phosphorus and potassium for fertilizers by auto analyzer

GB/T 22923-2008 Determination of nitrogen,phosphorus and potassium for fertilizers by auto analyzer

Publish Date: 2008-12-31 Implement Date: 2009-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 22923-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Fertilizers and pesticides

ICS Name: Fertilizer

Publish Date: 2008-12-31

Implement Date: 2009-08-01

Pages: 10 pages

Scope

This standard specifies the method for determining the nitrogen, phosphorus, and potassium content in fertilizers using an automatic analyzer.
This standard is applicable to the determination of nitrogen, phosphorus, and potassium content in fertilizers.

Development Information

Word Count: 17 Thousand words Pages: 10 pages

Referenced Standards

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/T 3598-1983 Abolished

GB/T 3598-1983 Fertilizers—Determination of urea nitrogen content—Urease method

Publish Date: 1983-04-11

GB 8569-1997 Replaced

GB 8569-1997 Packing of solid chemical fertilizers

Publish Date: 1987-01-01

GB/T 8570.1-1988 Replaced

GB/T 8570.1-1988 Liquefied anhydrous ammonia—Taking a laboratory sample

Publish Date: 1988-01-03

GB/T 8570.2-1988 Replaced

GB/T 8570.2-1988 Liquefied anhydrous ammonia—Estimating of ammonia content

Publish Date: 1988-01-03

GB/T 8570.3-1988 Replaced

GB/T 8570.3-1988 Liquefied anhydrous ammonia—Determination of residue content—Gravimetric method

Publish Date: 1988-01-03

GB/T 8570.4-1988 Replaced

GB/T 8570.4-1988 Liquefied anhydrous ammonia—Determination of residue content—Titrimetric method

Publish Date: 1988-01-03