GB/T 2441.9-2010 Active National standards

GB/T 2441.9-2010 Determination of urea—Part 9:Methylenediurea content—Spectrophotometric method

GB/T 2441.9-2010 Determination of urea—Part 9:Methylenediurea content—Spectrophotometric method

Publish Date: 2010-06-30 Implement Date: 2011-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 2441.9-2010

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Fertilizers and pesticides

ICS Name: Fertilizer

Publish Date: 2010-06-30

Implement Date: 2011-01-01

Pages: 5 pages

Scope

This part of GB/T 2441 specifies the determination of the content of methylene urea in urea by the sodium naphthalene-2,6-disulfonate (color-changing acid) method.
This part is only applicable to the determination of the content of methylene urea in urea with a small amount of methylene urea.

Development Information

Word Count: 8 Thousand words Pages: 5 pages

Same series standard

GB/T 2441.2-2010 Determination of urea—Part 2:Biuret content—Spectrophotometric method GB/T 2441.3-2010 Determination of urea—Part 3:Water content—Karl Fischer method GB/T 2441.4-2010 Determination of urea—Part 4:Iron content—1,10-Phenanthroline spectrophotometric method GB/T 2441.5-2010 Determination of urea—Part 5:Alkalinity—Titrimetric method GB/T 2441.6-2010 Determination of urea—Part 6:Water insoluble matter content—Weight method GB/T 2441.7-2010 Determination of urea—Part 7:Particle size—Sieve method GB/T 2441.8-2010 Determination of urea—Part 8:Sulphate content—Visible turbidimetric method

Replace the following standards

GB/T 2441.9-2001 Determination of Urea—Determination of methylenediurea content—Spectrophotometric method

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