GB/T 11898-1989Water quality--Determinatoin of free chlorine and total chlorine--Spectrophotometric method useing N, N-diethyl-1, 4 phenylenediamine (English PDF)
水质 游离氯和总氯的测定 N，N-二乙基-1，4-苯二胺分光光度法
GB/T 11898 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 11898-1989 | Water quality--Determinatoin of free chlorine and total chlorine--Spectrophotometric method useing N, N-diethyl-1, 4 phenylenediamine | Obsolete |
GB/T 11898-1989 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
November 3, 1989
Implementation date
July 1, 1990
Scope
GB/T 11898-1989 is the English-translated version of 水质 游离氯和总氯的测定 N，N-二乙基-1，4-苯二胺分光光度法.
GB/T 11898-1989 is the Chinese national standard "Water quality--Determinatoin of free chlorine and total chlorine--Spectrophotometric method useing N, N-diethyl-1, 4 phenylenediamine".
It was issued on November 3, 1989 by the State Bureau of Technical Supervision, and took effect on July 1, 1990. It is obsolete: it has been withdrawn.
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Document preview — GB/T 11898-1989
National Standard of the People's Republic of China
Issued by: State Bureau of Technical Supervision
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: State Bureau of Technical Supervision.
Date of issue: 1989-11-03.
Date of implementation: 1990-07-01.
Status: obsolete, withdrawn.
......
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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- GB/T 18773-2008Environmental sanitation standard for incineration of medical treatment wastes
- GB 20922-2007The reuse of urban recycling water - Quality of farmland irrigation water
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