Synonyms: Ammonium hydrogen difluoride, Etching powder CAS: 1341-49-7 Molecular Formula: NH4HF2 Molecular Weight: 57.04 g/mol Test Specification Appearance (Color) White Appearance (Form) Crystalline NH4HF2 % 98+% (NH4)2SiF6 % <0.50% Loss on drying <1.50% Residue on ignition <0.10% Sulfate <0.10%
ترست بايلوت
منذ 5 أيام
منذ شهر
