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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