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Scope

1.1 This test method covers the use of a portable refractometer for determining the approximate freezing protection provided by ethylene and propylene glycol-based coolant solutions as used in engine cooling systems and special applications.

Note 1-Some instruments have a supplementary freezing protection scale for methoxypropanol coolants. Others carry a supplementary scale calibrated in specific gravity readings of sulfuric acid solutions so that the refractometer can be used to determine the charged condition of lead acid storage batteries.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 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.

Keywords

Aqueous engine coolant; Engine coolants; Ethylene glycol; Field testing-engine coolants; Freezing point; Refractometer; freezing point-aqueous engine coolants, field test using refractometer,; test

To find similar documents by ASTM Volume:

15.05 (Engine Coolants; Halogenated Organic Solvents and Fire Extinguishing Agents; Industrial and Specialty Chemicals)

To find similar documents by classification:

17.180.30 (Optical measuring instruments Including spectroscopes, geodetic instruments, etc. Ophthalmic optics and instruments, see 11.040.70 Laser equipment, see 31.260 Fibre optics, see 33.180 Optical equipment, materials and components, see 37.020 Photographic equipment lenses, see 37.040.10)

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