HI:
Any volunteers, please, tell me the uses of these forms of silica gel listed below:
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The forms of amorphous silica for which there are or have been health standards are * ditomaceous earth-calcined,
* diatomaceous earth-uncalcined,
* precipitated and gel,
* fumed, and
* fused.
fumed is the only one that has no NIOSH, MAK, OSHA, of AIHA standard and the TLV was withdrawn.
Monona
Thanks,
Po-Yung
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