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  • ASTM D3634 Standard Test Method for Trace Chloride Ion in Engine Coolants ASTM D3634 Standard Test Method for Trace Chloride Ion in Engine Coolants10. Procedure10.1 To a 250-mL Erlenmeyer flask add 50 +/- 0.1 g of engine coolant and approximately 30 mL of water. Make the solution strongly alkaline by the addition of 5 mL of 20 mass % aqueous NaOH solution. Add 5 mL of 30 mass ...
  • ASTM D3634 Standard Test Method for Trace Chloride Ion in Engine Coolants ASTM D3634 Standard Test Method for Trace Chloride Ion in Engine Coolants7. Hazards7.1 Chromic Acid - Highly toxic; cancer suspect agent; corrosive; avoid skin contact.7.2 Acetone - Extremely flammable; harmful if swallowed or inhaled; causes irritation.7.3 Acetic Acid, Glacial - Poison, causes severe ...
  • ASTM D3634 Standard Test Method for Trace Chloride Ion in Engine Coolants ASTM D3634 Standard Test Method for Trace Chloride Ion in Engine Coolants5. Apparatus5.1 Manual Titrations:5.1.1 pH Meter - An expanded scale pH meter which can be read to 1 or 2 mV is desirable but not required. A silver billet indicator electrode and glass reference electrode are used for the chloride ...
  • ASTM D3634 Standard Test Method for Trace Chloride Ion in Engine Coolants ASTM D3634 Standard Test Method for Trace Chloride Ion in Engine Coolants3. Summary of Test Method3.1 The sample is first treated at a pH of 12 to 13 with aqueous hydrogen peroxide to oxidize the mercaptobenzothiazole to soluble, noninterfering sulfonate. The treated sample is dissolved in glacial acetic ...
  • ASTM D3634 Standard Test Method for Trace Chloride Ion in Engine Coolants ASTM D3634 Standard Test Method for Trace Chloride Ion in Engine Coolants1. Scope1.1 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 ...
  • ASTM D1384 Test Method for Corrosion Test for Engine Coolants in Glassware ASTM D1384 Test Method for Corrosion Test for Engine Coolants in Glassware11. Report11.1 Report corrosion weight loss as a positive value and weight gain as a negative value. If no sign is given to the value it will be interpreted as a weight loss. Example: Initial weight of a brass specimen after cleaning ...
  • ASTM D1384 Test Method for Corrosion Test for Engine Coolants in Glassware ASTM D1384 Test Method for Corrosion Test for Engine Coolants in Glassware10. Procedure10.1 Make triplicate tests concurrently on each engine coolant solution in accordance with the following procedure:10.1.1 Carefully clean the test beaker, condenser, rubber stopper, and aerator tube, and thoroughly ...
  • ASTM D1384 Test Method for Corrosion Test for Engine Coolants in Glassware ASTM D1384 Test Method for Corrosion Test for Engine Coolants in Glassware7. Preparation of Test Specimens7.1 Sand the cast iron and cast aluminum specimens on the 25.4 by 50.8-mm (1 by 2-in.) cut surfaces with "coarse" grade (No. 1) emery cloth. Remove any burrs from coupon edges and hole. Scrub all ...
  • ASTM D1384 Test Method for Corrosion Test for Engine Coolants in Glassware ASTM D1384 Test Method for Corrosion Test for Engine Coolants in Glassware5. Apparatus5.1 Container - A 1000-mL, tall-form, spoutless beaker, made of heat-resistant glass, for containing the engine coolant solution and test specimens. The beaker shall be tightly closed with a No. 15 rubber stopper, having ...
  • ASTM D1384 Test Method for Corrosion Test for Engine Coolants in Glassware ASTM D1384 Test Method for Corrosion Test for Engine Coolants in Glassware3. Summary of Test Method3.1 In this test method, specimens of metals typical of those present in engine cooling systems are totally immersed in aerated engine coolant solutions for 336 h at 88°C (190°F) for high-boiling engine ...