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1.1 This test method covers the determination of anionic impurities in 50 % caustic soda (sodium hydroxide) and 50 % caustic potash (potassium hydroxide) solutions using ion chromatography (IC). Anions that can be determined at concentrations of approximately 0.1 to 1000 ug/g (ppm) include: bromide, chlorate, chloride, fluoride, nitrate, phosphate, and sulfate.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 71.040.50 : Physicochemical methods of analysis
71.060.40 : Bases |
| Number of pages | 6 |
| Replace | ASTM E1787-08 |
| Set | ASTMVOL0604 |
| Year | 2016 |
| Document history | ASTM E1787-08 |
| Country | USA |
| Keyword | ASTM 1787;ASTM E1787;ASTM E1787;10.1520/E1787-16 |