MT/T 251-2000
Determination method of nitrite ion in coal mine water (English Version)

Standard No.

MT/T 251-2000

Language

Chinese, Available in English version

Release Date

2000

Published By

Professional Standard - Coal

Latest

MT/T 251-2000

Replace

MT 251-1991

Scope

This standard specifies the colorimetric determination of nitrite ions in coal mine water using N-(1-naphthyl)-1,2-ethylenediamine dihydrochloride. This standard is applicable to the determination of nitrite ions in coal mine water. Under the conditions specified in this standard, the solution concentration range of nitrite ions is 0.1 2 ~ 2.5 mg/L.

MT/T 251-2000 history

• 2000 MT/T 251-2000 Determination method of nitrite ion in coal mine water
• 1991 MT 251-1991 Determination method of nitrite ion in coal mine water

MT/T 251-2000 Determination method of nitrite ion in coal mine water has been changed from MT 251-1991 Determination method of nitrite ion in coal mine water.