ITEM | TEST METHOD | SP-500 | SP-10 |
---|---|---|---|
Particle size | Microscopy | More than 90% of particle sizes are less than 10µm. Maximum particle size does not exceed 20µm |
Average particle sizes are in the range of 6.0~14.0µ |
Color | Reflection ratio comparison between white board made from barium sulfate and white board made from SP-500/SP-10 |
80.0%min | 70.0%min |
Bulk | JSQI(bulk measuring method) | 3.5~6.0(cc/g)(target value) | 2.0~4.0(cc/g) |
Water-soluble substances | JSQI(water-soluble test method) | 0.5% max. | 0.5% max. |
Residue on ignition | JSQI(test method of residue on ignition) |
0.5% max. | 0.5% max. |
pH(suspension in water) | JSQI(pH measuring method) | 6.0~8.0 | 6.0~8.0 |
Arsenic Content | JSQI(arsenic test method) | 1ppm max. | 1ppm max. |
Heavy Metal Content | JSQI(heavy metal test method) | 10ppm max. | 10ppm max. |
*JSQI : Japanese Standards of Quasi-Drug Ingredients