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ISO 2174:1990

Current

Current

The latest, up-to-date edition.

Surface active agents Preparation of water with known calcium hardness

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

04-05-1990

US$49.00
Excluding Tax where applicable

A stock solution is prepared by dissolving an appropriate quantity of calcium chloride in water. The calcium content of this stock solution is determined by complexometric titration with the disodium salt of (ethylenedinitrilo)tetraacetic acid (EDTA) using a mixture of Mordant Black 11 (C.I. 14645) and methyl red as indicator. Dilute solutions of the hardness required are prepared by dilution of appropriate volumes of the stock solution.

DocumentType
Standard
Pages
4
PublisherName
International Organization for Standardization
Status
Current
Supersedes

Standards Relationship
NS EN 12829 : 2011 Identical
I.S. EN 12829:2011 Identical
BS EN 12829:2011 Similar to
NBN ISO 2174 : 1994 Identical
UNE 55524:1992 Identical
DIN 53910:1986-09 Similar to

ISO 1065:1991 Non-ionic surface-active agents obtained from ethylene oxide and mixed non-ionic surface-active agents Determination of cloud point
EN 12458:1999 Surface active agents - Determination of stability in hard water
ISO 2267:1986 Surface active agents Evaluation of certain effects of laundering Methods of preparation and use of unsoiled cotton control cloth
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BS 5377-1:1988 Assessment of laundering effects by means of a cotton control cloth Specification for preparation and use of the cotton control cloth
ISO 9271:1992 Decontamination of radioactively contaminated surfaces — Testing of decontamination agents for textiles
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EN ISO 16954:2015 Dentistry - Test methods for dental unit waterline biofilm treatment (ISO 16954:2015)
EN 13996:2002 Surface active agents - Foaming power and antifoaming power - Turbine stirring method
14/30245318 DC : 0 BS EN ISO 16954 - DENTISTRY - TEST METHODS FOR EVALUATING ANTIBACTERIAL BIOFILM TREATMENT METHODS FOR DENTAL UNIT WATER DELIVERY SYSTEMS
ISO 696:1975 Surface active agents — Measurement of foaming power — Modified Ross-Miles method
I.S. EN ISO 16954:2015 DENTISTRY - TEST METHODS FOR DENTAL UNIT WATERLINE BIOFILM TREATMENT (ISO 16954:2015)
BS EN 13996:2002 Surface active agents. Foaming power and antifoaming power. Turbine stirring method
BS EN 12458:1999 Surface active agents. Determination of stability in hard water

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