| ITEM | TEST METHOD | TR-1 | TR-2 |
|---|---|---|---|
| Particle size | Measurement of particle size distribution |
50% of particle sizes are 10-16µm. |
50% of particle sizes are 17-23µm. |
| Color | Reflection concentration by YEL |
0.2 max. | 0.2 max. |
| Bulk | JIS K-5101 | 3.0～5.0(ml/g) | 2.5～4.5(ml/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) |
0.7% max. | 0.7% max. |
| pH(suspension in water) | JSQI(pH measuring method) |
6.0～8.0 | 6.0～8.0 |
| Arsenic Content | JSQI(arsenic test method) |
2ppm max. | 2ppm max. |
| Heavy Metal Content | JSQI(heavy metal test method) |
5ppm max. | 5ppm max. |
*JSQI : Japanese Standards of Quasi-Drug Ingredients