GB/T 35106-2017 Active National standards

GB/T 35106-2017 Determination of unbound humic acid content from mineral source

GB/T 35106-2017 Determination of unbound humic acid content from mineral source

Publish Date: 2017-12-29 Implement Date: 2018-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 35106-2017

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Fertilizers and pesticides

ICS Name: Fertilizer

Publish Date: 2017-12-29

Implement Date: 2018-07-01

Pages: 5 pages

Scope

This standard specifies the method for determining the content of free humic acid in mineral-derived humic acid raw materials. This standard is applicable to the determination of the content of free humic acid in weathered coal, lignite, and peat, and the results are expressed in terms of carbon content.

Development Information

Word Count: 7 Thousand words Pages: 5 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