Description
Sodium Hydroxide, 50% Solution AR. Assay (NaOH): 49. 5 – 52 %. Identification: Passes Test. Ammonium Hydroxide Precipitate: max. 0. 010 %. Chloride (Cl): max. 0. 0025 %. Heavy Metals (as Pb): max. 0. 0015 %. Iron (Fe): max. 0. 0005 %. Nitrogen Compounds (as N): max. 0. 0005 %.