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electronic ammonium hydroxide
Specification: UPSS
Detail: COLOR<5,Residue after Ignition<1ppm,substances reducing KMnO4<1ppm,carbonate<1ppm,Chloride<50ppb,Nitrate<30ppb,Phosphate<40ppb,Sulfate<100ppb,Metal ion<0.1ppb

hydrofluoric acid
Specification: EL,UPS,UPSS
Detail: semi-grade HF plant (8,000MT/a)put into operation apply to 12-inch wafer£¬filled a blank of China£» semi-grade ammonium water plant(3,000MT/a)& semi -grade BOE(5,000MT/a) put into operation £» ¡°The key enterprise ins...


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