Obsolete

DZ/T 0064.70-1993Groundwater quality test methods - the determination of chemical oxygen consumption with dichromate oxidation process (English PDF)

地下水质检验方法重铬酸盐氧化法测定化学需氧量

DZ/T 0064.70 | Evolution and historical versions

Std ID	Title	Status
DZ/T0064.70-2021	Groundwater quality analysis methods - Part 70: Determination of oxygen consumption. Potassium dichromate titration method	Valid
DZ/T 0064.70-1993	Groundwater quality test methods - the determination of chemical oxygen consumption with dichromate oxidation process	Obsolete

DZ/T 0064.70-1993 is obsolete. It has been replaced by DZ/T0064.70-2021. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

Ministry of Geology and Mineral Resources

Level / Type

National · Recommended

Issue date

February 27, 1993

Implementation date

October 1, 1993

Scope

DZ/T 0064.70-1993 is the English-translated version of 地下水质检验方法重铬酸盐氧化法测定化学需氧量.

DZ/T 0064.70-1993 is the Chinese industry standard "Groundwater quality test methods - the determination of chemical oxygen consumption with dichromate oxidation process".

It was issued on February 27, 1993 by the Ministry of Geology and Mineral Resources, and took effect on October 1, 1993. It is obsolete: it has been replaced by DZ/T0064.70-2021.

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Document preview — DZ/T 0064.70-1993

National Standard of the People's Republic of China

Issued by: Ministry of Geology and Mineral Resources

Document data

1 Document data

Sector: National Recommended (industry standard).

Issuing body: Ministry of Geology and Mineral Resources.

Date of issue: 1993-02-27.

Date of implementation: 1993-10-01.

Status: obsolete, replaced by DZ/T0064.70-2021.

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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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