Stearic Acid | 57-11-4
Specification
Testis vexillum | USP35-NF30 | ||
Specification et exemplar | SA-4 | SA-6 | SA-9 |
aspectum | cera alba vel fere alba cristallus solidus vel pulverulentus | cera alba vel fere alba cristallus solidus vel pulverulentus | cera alba vel fere alba cristallus solidus vel pulverulentus |
idem | occurrit speciem | occurrit speciem | occurrit speciem |
frigore punctum, ℃ | 53~59 | 57~64 | 64~69 |
Acidum valorem | 194-212 | 194-212 | 194-212 |
J valorem | ≤1.0 | ≤1.0 | ≤1.0 |
ignitio reliquiae, % | ≤0.1 | ≤0.1 | ≤0.1 |
grave metallum, % | ≤0.001 | ≤0.001 | ≤0.001 |
acidi acidum content, % | 40~45 | 65~70 | ≥90 |
content acidum & palmiticum acidum stearicum, % | ≥90 | ≥90 | ≥96 |