Advanced Materials for Electronics

Ammonium Fluoride

Assay Parameter Unit Specification
Ammonium Fluoride (NH4F) WT% >=40 to <=41
Color APHA <=10
pH of a 1% Solution pH >=6.2 to <=7.5
Chloride ppm <=2
Nitrate ppm <=3
Phosphate ppm <=0.4
Sulfate ppm <=0.5
Particles >0.5 Particle/ml <=100
Particles >1.0 Particle/ml <=20
Aluminum ppb <=30
Antimony ppb <=15
Arsenic ppb <=10
Barium ppb <=10
Beryllium ppb <=10
Bismuth ppb <=20
Boron ppb <=30
Cadmium ppb <=10
Calcium ppb <=30
Chromium ppb <=10
Cobalt ppb <=10
Copper ppb <=10
Gallium ppb <=10
Germanium ppb <=40
Gold ppb <=20
Iron ppb <=30
Lead ppb <=10
Lithium ppb <=10
Magnesium ppb <=30
Manganese ppb <=10
Molybdeum ppb <=10
Nickel ppb <=10
Potassium ppb <=30
Silver ppb <=50
Sodium ppb <=30
Strontium ppb <=10
Thallium ppb <=20
Tin ppb <=20
Titanium ppb <=10
Vanadium ppb <=10
Zinc ppb <=30
Zirconium ppb <=10