Ammonium hydrogen fluoride CAS NO.1341-49-7

items

electronic-grade

export grade

industrial grade

standard

semi c1

jisk8817-1992

jisk8817-1992

appearance

white salt-like matter, slight moisture absorption

white salt-like matter, slight moisture absorption

white salt-like matter, slight moisture absorption

assay

≥99.9%

≥99.0%

≥98.5%

sulfate (so₄)

≤10ppm

≤0.01%

≤0.1%

nitrate (no₃)

≤10ppm

≤0.01%

≤0.1%

chloride (cl)

≤10ppm

≤0.01%

≤0.1%

fe

≤5ppm

≤0.005%

≤0.05%

pb

≤5ppm

≤0.005%

≤0.05%

na

≤5ppm

≤0.005%

≤0.05%

arsenic (as)

≤5ppm

≤0.005%

≤0.05%

residue on ignition

≤0.01%

≤0. 1%

≤1%

loss on dry

≤0.5%

≤1%

≤3%

supply reference

production process

wet phase method

wet phase method

wet phase method

transmission %

≥99

≥95

≥90

packing

25kg composite bag/16t/(20')fcl

25kg composite bag/16t/(20')fcl

25kg composite bag/16t/(20')fcl