简介: This method is specific for amorphous silica in crystalline (e.g., quartz) matrices in the range 1 to 10 mg/m 3
for a 200-L air sample. Amorphous silica usually contains some crystalline silica [2]. See also discussion简介: This method is specific for amorphous silica in crystalline (e.g., quartz) matrices in the range 1 to 10 mg/m 3
for a 200-L air sample. Amorphous silica usually contains some crystalline silica [2]. See also discussion of crystalline silica in
Chapter R of this volume [3].详细>