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Analysis of Engine Coolant for Chloride Ion by Ion Chromatography

ASTM D5827

This test method covers the chemical analysis of engine coolant for chloride ion by high performance ion chromatography (HPIC).  Several other common anions found in engine coolant can be determined in one chromatographic analysis by this test method.

This test method is applicable to both new and used engine coolant.

The tests listed below are some of the ions used to determine contamination and coolant additive depletion levels:

• Borate
• Phosphate
• Nitrate
• Nitrite
• Chlorides
• Sulphates.

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