LY/T 1231-1999 Active Industry standards-Forestry

LY/T 1231-1999 Determination of ammonium nitrogen in forest soil

Publish Date: 1999-07-15 Implement Date: 1999-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: LY/T 1231-1999

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: \nSoil and fertilizer

ICS Name: \nSoil quality, soil science

Publish Date: 1999-07-15

Implement Date: 1999-11-01

Pages: 3 pages

Development Information

Pages: 3 pages

Superseded by the following standards

LY/T 1228-2015 Nitrogen determination methods of forest soils

Referenced Standards

LY/T 1229-1999 Determination of hydrolyzable nitrogen in forest soil

Related Standards

GB 8915-1988 Abolished

GB 8915-1988 Hygienic standard for arsenic in soil

Publish Date: 1988-02-23

GB 11728-1989 Abolished

GB 11728-1989 Hygienic standard for copper in soil

Publish Date: 1989-02-10

GB/T 11219.1-1989 Abolished

GB/T 11219.1-1989 Determination of plutonium in soil—Extraction chromatography method

Publish Date: 1989-03-16

GB/T 11219.2-1989 Abolished

GB/T 11219.2-1989 Determination of plutonium in soil—Ion exchange method

Publish Date: 1989-03-16

GB/T 11743-1989 Replaced

GB/T 11743-1989 Gamma spectrometry method of analysing radionuclides in soil

Publish Date: 1989-10-06

GB 15618-1995 Abolished

GB 15618-1995 Environmental quality standard for soils

Publish Date: 1995-07-13