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ASTM D7923-19
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Standard Test Method for Water in Ethanol and Hydrocarbon Blends by Karl Fischer Titration
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1.1 This test method covers the determination of water in blends of ethanol, hydrocarbon, and corresponding blends. It is intended for measuring water content of gasoline or other hydrocarbon blendstock, denatured fuel ethanol as cited in Specification D4806, and ethanol fuel blends such as those cited in Specification D5798 and Practice D7794. This test method is not applicable to samples that are phase separated.
1.1.1 Procedure A—For measurement of water from 0.004 % by mass to 1.63 % by mass in ethanol and hydrocarbon using coulometric Karl Fischer titration. This is the referee method for samples containing up to 1.63 % water.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 75.160.20 : Liquid fuels
|
| Number of pages | 9 |
| Replace | ASTM D7923-17ae1 |
| Year | 2019 |
| Document history | ASTM D7923-17ae1 ASTM D7923-17a ASTM D7923-17 ASTM D7923-16 |
| Country | USA |
| Keyword | ASTM 7923;ASTM D7923;ASTM D7923;10.1520/D7923-19 |