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Our growth depends to the superior products ,great talents and repeatedly strengthened technology forces for , With strong technical strength and advanced production equipment, and SMS people purposefully , qualified, dedicated spirit of enterprise. Enterprises took the lead through the ISO 9001:2008 international quality management system certification, CE certification EU ; CCC.SGS.CQC other related product certification. We look forward to reactivating our company connection.














CH3cooh and Acetic Acid Standardization: Weigh accurately about 0.6 g of primary standard potassium hydrogen phthalate, previously dried to constant weight at 105°C. Add 50 mL of freshly boiled and cooled water and shake to dissolve as much as possible. Add 2 drops of phenolphthalein indicator solution and titrate with the titrant. Near the endpoint, ensure complete dissolution of the potassium hydrogen phthalate. Titrate until a pink color appears. Each 1 mL of sodium hydroxide titrant (1 mol/L) is equivalent to 204.2 mg of potassium hydrogen phthalate. Calculate the concentration of the titrant based on the volume consumed and the mass of potassium hydrogen phthalate used.CH3cooh and Acetic Acid.
CH3cooh and Acetic Acid Storage: Store in a sealed polyethylene plastic bottle with two holes in the stopper, each inserted with a glass tube. One tube is connected to a soda-lime tube, and the other is used for withdrawing the titrant.