ASTM D7304 Standard Test Method for Determination of Denatonium Ion in Engine Coolant by HPLC
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ASTM International
Standard Test Method for Determination of Denatonium Ion in Engine Coolant by HPLC
N D7304
Annotation
This test method covers the chemical analysis of engine coolant for denatonium benzoate (DNB) by high-performance liquid chromatography (HPLC). DNB is added to potentially render engine coolant unpalatable to animals and humans. This analytical method was designed for the analysis of DNB and is not valid for any other bittering agents such as denatonium saccharide.
This test method is applicable to both new and used coolants.
Coelution of other ions may cause interferences in the detection of the denatonium cation. In the case of unfamiliar formulations, identification verification should be performed by either or both fortification and dilution of the sample matrix with denatonium ion.
The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.
Автоматический перевод:
Стандартный метод испытаний для определения Denatonium Ion в хладагенте двигателя HPLC
Этот метод тестирования покрывает химический анализ хладагента механизма для denatonium бензоата (DNB) жидкостной хроматографией высокого разрешения (HPLC). DNB добавляется для потенциального рендеринга хладагента механизма, горького животным и людям. Этот аналитический метод был разработан для анализа DNB и не допустим ни для каких других агентов улучшения, таких как сахарид denatonium.
