Name: UNI ISO 6059 : 2009
Brand: UNI

WATER QUALITY - DETERMINATION OF THE SUM OF CALCIUM AND MAGNESIUM - EDTA TITRIMETRIC METHOD

Published date

11-12-2009

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
1 Scope and field of application
2 References
3 Principle
4 Reagents
5 Apparatus
6 Sampling and samples
7 Procedure
8 Expression of results
9 Precision
10 Interferences
11 Test report
Bibliography
Annex A - Concepts of hardness of water

The standard specifies a complexometric titration method of calcium and magnesium with disodium salt of EDTA at pH 10, using Mordent black 11 indicator.

DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current

Standards	Relationship
ISO 6059:1984	Identical

ISO 3851:1977	Capsulated dental silicate and silico-phosphate filling materials
ISO 5667-2:1991	Water quality Sampling Part 2: Guidance on sampling techniques
ISO 5667-3:2012	Water quality Sampling Part 3: Preservation and handling of water samples
ISO 5667-1:2006	Water quality Sampling Part 1: Guidance on the design of sampling programmes and sampling techniques