Formula: Magnesium nitrate and nitric acid in water. (For testing phosphates in presence of arsenates)
CAS: Mixture
EC No.: Mixture
M (Molar Mass): Not applicable for solution
D (Density): ~1.20 g/cm³
mp (Melting Point): Not applicable
bp (Boiling Point): Not applicable
Optical Rotation: Not applicable
Chemicals Properties
Composition: Approximately 20% w/v Magnesium nitrate (Mg(NO₃)₂·6H₂O) in dilute nitric acid.
Appearance: Clear, colorless solution.
Sensitivity: Produces a white crystalline precipitate of MgNH₄PO₄ with phosphates in ammoniacal solution, but not with arsenates under the same conditions.
Specificity Test: Passes test (distinguishes phosphate from arsenate).
