DZ/T 0064.15-1993
Groundwater quality testing method - Determination of hardness by ethylenediaminetetraacetic acid disodium titration method (English Version)

Standard No.

DZ/T 0064.15-1993

Language

Chinese, Available in English version

Release Date

1993

Published By

Professional Standard - Geology

Status

Be replaced

Replace By

DZ/T 0064.15-2021

Latest

DZ/T 0064.15-2021

Scope

This standard specifies the method for determination of hardness by disodium ethylenediaminetetraacetate titration. This standard applies to the determination of hardness in groundwater. The determination range of this method is 10~500mg/L (calculated as CaCO3).

DZ/T 0064.15-1993 history

• 1970 DZ/T 0064.15-2021 Methods of analysis of groundwater quality - Part 15: Determination of total hardness by ethylenediaminetetraacetic acid disodium titration
• 1993 DZ/T 0064.15-1993 Groundwater quality testing method - Determination of hardness by ethylenediaminetetraacetic acid disodium titration method