| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| pH | 8.0 - 9.0 | 8.0 - 9.0 | 5% solution, pH meter; JISK 1531 | ||
| Maximum Moisture Content | 0.50 | 0.50 | Karl-Fischer; JISK 1531 | ||
| Ash | <= 0.010 % @Temperature 800 °C, Time 3600 sec | <= 0.010 % @Temperature 1470 °F, Time 1.00 hour | JISK 1531 | ||
| Descriptive Properties | |||||
| Appearance | White powder | Eye inspection, JISK 1531 | |||
| Color | <20 | APHA, UV, JISK 1531 | |||
| <20 | APHA, UV, JISK 1531 | ||||
| Purity | >99.8% | Sublimation, JISK 1531 | |||
| Turbidity | <20 | UV, JISK 1531 | |||
