Withdrawn

GB 12372-1990Standard method for examination of nitrogen dioxide in air of residential areas-Modified Saltzman method (English PDF)

居住区大气中二氧化氮检验标准方法改进的Saltzman法

GB 12372 | Evolution and historical versions

Std ID	Title	Status
GB 12372-1990	Standard method for examination of nitrogen dioxide in air of residential areas-Modified Saltzman method	Obsolete

GB 12372-1990 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

Ministry of Health

Level / Type

National · Mandatory

Issue date

March 22, 1990

Implementation date

March 1, 1991

Scope

GB 12372-1990 is the English-translated version of 居住区大气中二氧化氮检验标准方法改进的Saltzman法.

GB 12372-1990 is the Chinese national standard "Standard method for examination of nitrogen dioxide in air of residential areas-Modified Saltzman method". It was issued on March 22, 1990 by the Ministry of Health, and took effect on March 1, 1991. It is obsolete: it has been withdrawn (abolished on January 28, 2026).

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Document preview — GB 12372-1990

National Standard of the People's Republic of China

Issued by: Ministry of Health

Document data

1 Document data

Sector: National standard (Mandatory).

Issuing body: Ministry of Health.

Date of issue: 1990-03-22.

Date of implementation: 1991-03-01.

Status: obsolete, withdrawn on 2026-01-28.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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