Standards

ASTM D3634 - 99(2009)


ASTM D3634 - 99(2009) Standard Test Method for Trace Chloride Ion in Engine Coolants


Active Standard ASTM D3634 Developed by Subcommittee: D15.04 |Book of Standards Volume: 15.05

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ASTM D3634

Significance and Use

This test method permits the determination of very low levels of chloride ion in engine coolants containing the common corrosion inhibitor, mercaptobenzothiazole, or related mercaptans, which would normally interfere with the titration by also forming insoluble silver salts with silver nitrate.

1. Scope

1.1 This test method covers the determination of chloride ion in engine coolants in the range from 5 to 200 ppm in the presence of up to 0.6 weight % mercaptobenzothiazole.

1.2 Other materials that react with silver ion will interfere.

1.3 Chloride in engine coolants containing an aryltriazole instead of mercaptobenzothiazole can be determined directly by this test method without pretreatment with hydrogen peroxide.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazards statements are given in Section 7.


2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D1176 Practice for Sampling and Preparing Aqueous Solutions of Engine Coolants or Antirusts for Testing Purposes
D1193 Specification for Reagent Water
E200 Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis

Manufacturing Chemists Association Document

MCAChemicalSafetyDat SD-53


Index Terms

engine coolants; trace chloride; Chloride analysis--engine coolants; Engine coolants/concentrates; Trace elements--chemicals ;



ICS Code

ICS Number Code 71.100.45 (Refrigerants and antifreezes)



DOI: 10.1520/D3634-99R09

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