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See Chinese contents: GB/T 11446.6-2013 GB/T 11446.6-2013: Test method for SiO2 in electronic grade water by spectrophotometer
This Part of GB/T 11446 specifies the spectrophotometric test method for silicon dioxide, in electronic grade water. This Part applies to the determination of silicon dioxide, in electronic grade water, where the detection limit is 1 ??g/L.
