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ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating L
ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating Liquids by High-Performance Liquid Chromatography (HPLC)7. Apparatus7.1 High-Performance Liquid Chromatograph (HPLC) - The required analytical apparatus, an HPLC, consists of an injection device with sample loop, pumping system ...
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ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating L
ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating Liquids by High-Performance Liquid Chromatography (HPLC)4. Summary of Test Method4.1 Furanic compounds in electrical insulating liquids are extracted from a known volume of test specimen by means of a liquid/liquid extraction ...
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ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating L
ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating Liquids by High-Performance Liquid Chromatography (HPLC)1. Scope1.1 This test method covers the determination in electrical insulating liquids of products of the degradation of cellulosic materials such as paper, pressboard, ...
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ASTM D2668 Standard Test Method for 2,6-di-tert-Butyl- p-Cresol and 2,6-di-tert-
ASTM D2668 Standard Test Method for 2,6-di-tert-Butyl- p-Cresol and 2,6-di-tert-Butyl Phenol in Electrical Insulating Oil by Infrared Absorption8. Precision and Bias8.1 Checking Limits of Range (A - Ao) - Determine the highest and lowest values of A - Ao resulting from the three or more scans and subtract ...
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ASTM D2668 Standard Test Method for 2,6-di-tert-Butyl- p-Cresol and 2,6-di-tert-
ASTM D2668 Standard Test Method for 2,6-di-tert-Butyl- p-Cresol and 2,6-di-tert-Butyl Phenol in Electrical Insulating Oil by Infrared Absorption7. Procedure7.1 Using the quantitative scan mode, make at least three scans (see Note 2) of the test specimen on which the determination of the 2,6-ditertiary-butyl ...
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ASTM D2668 Standard Test Method for 2,6-di-tert-Butyl- p-Cresol and 2,6-di-tert-
ASTM D2668 Standard Test Method for 2,6-di-tert-Butyl- p-Cresol and 2,6-di-tert-Butyl Phenol in Electrical Insulating Oil by Infrared Absorption4. Apparatus4.1 With equipment description referring to compliance, the equipment shall be in accordance with Section 6 of Practices D2144. Accordingly, the ...
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ASTM D2668 Standard Test Method for 2,6-di-tert-Butyl- p-Cresol and 2,6-di-tert-
ASTM D2668 Standard Test Method for 2,6-di-tert-Butyl- p-Cresol and 2,6-di-tert-Butyl Phenol in Electrical Insulating Oil by Infrared Absorption3. Significance and Use3.1 The quantitative determination of 2,6-ditertiary-butyl paracresol and 2,6-ditertiary-butyl phenol in a new electrical insulating oil ...
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ASTM D2668 Standard Test Method for 2,6-di-tert-Butyl- p-Cresol and 2,6-di-tert-
ASTM D2668 Standard Test Method for 2,6-di-tert-Butyl- p-Cresol and 2,6-di-tert-Butyl Phenol in Electrical Insulating Oil by Infrared Absorption1. Scope1.1 This test method covers the determination of the weight percent of 2,6-ditertiary-butyl paracresol (DBPC) and 2,6-ditertiary-butyl phenol (DBP) in ...
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ASTM D1287 Standard Test Method for pH of Engine Coolants and Antirusts
ASTM D1287 Standard Test Method for pH of Engine Coolants and Antirusts11. Report11.1 Report the pH.12. Precision and Bias12.1 Repeatability - Duplicate results by the same operator should not be considered suspect unless they differ by more than +/- 0.1 pH units.12.2 Reproducibility - The results submitted ...
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ASTM D1287 Standard Test Method for pH of Engine Coolants and Antirusts
ASTM D1287 Standard Test Method for pH of Engine Coolants and Antirusts10. Procedure10.1 Make the pH determination on (1) the unused concentrated engine coolant or antirust (as received), or (2) any desired dilution, with distilled water, of the concentrated product, or (3) used engine coolant or antirust ...
