Formula: K₂S₂O₈ Formula Weight: 270.32 CAS Number: 7727-21-1 Synonym(s): (potassium peroxydisulfate) Description: Suitable for Kjeldahl Nitrogen, Phosphate, and Mercury Determinations

Formula: Pd Formula Weight: 106.42 Synonym(s): Pd metal in 20% HCl

Formula: Au Formula Weight: 196.97 Synonym(s): Au metal in 20% HCl

(Fe metal in 5% HNO3) Formula: Fe Formula Weight: 55.85

(As metal in 5% HNO3) Formula: As Formula Weight: 74.92

(Zn metal in 5% HNO3) Formula: Zn Formula Weight: 65.39

Formula: Pt Formula Weight: 195.08 Synonym(s): Pt metal in 20% HCl

(potassium nitrate in 5% HNO3) Formula: K Formula Weight: 39.1

Al metal in 5% HCl, Plasma Standard Formula: Al Formula Weight: 26.98

(Mn metal in 5% HNO3) Formula: Mn Formula Weight: 54.94 Specific Gravity: 1L = .00 Kg