[Simple specific gravity measurement of dust samples for silica analysis].
National Institute of Occupational Safety and Health, Japan.
Jun
J
Ojima
D002627:Chemistry, Physical / Q000295:instrumentation / Q000379:methods*; D004391:Dust; D012822:Silicon Dioxide / Q000737:chemistry*; D013046:Specific Gravity; D013048:Specimen Handling
D004391:Dust; D012822:Silicon Dioxide