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× 1147 | Petroleum Ether 40 - 60, AR
× 105432 | Ammonia solution 25%
× PYREX GLASS BEAKER SIZE 150 ML.
× 809711 | Methyl acetate
× Sodium Hydroxide 99%, AR
× HIRSCHMANN Pasteur Pipette Glass Long.15cm#9250101
× Sulfuric Acid 98% , AR
× Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate)
× 109435 | Buffer solution
× 21008 | Silica Standard Solution
× pH 4.01 Calibration Solution (500 mL)
× ADVANTEC 5A 110 MFS filter paper No.5A ashless 110mm
× DURAN LAB BOTTLE SIZE 25 mL
× Sodium hydroxide
× 100731 | Sulfuric acid 95-97%
× 1152 | ortho-Phosphoric acid 85%, AR