usp中緩沖溶液和標準溶液及詳細配制方法-在線瀏覽
2024-10-01 13:17本頁面
【正文】 thalate [KHC[6]H[4](COO)[2]] in water, and dilute with water to 1000mL.3. Potassium Phosphate, Monobasic M Dissolve g ofmonobasic potassium phosphate (KH[2]PO[4]) in water, and dilute withwater to 1000 mL.4. Boric Acid and Potassium Chloride, M Dissolve g ofboric acid (H[3]BO[3]) and g of potassium chloride (KCl) in water,and dilute with water to 1000 mL.5. Potassium Chloride, M Dissolve g of potassiumchloride (KCl) in water, and dilute with water to 1000 mL.6. Acetic Acid, 2 N Prepare and standardize as directed underVolumetric Solutions.Composition of Standard Buffer SolutionsSee Graphic G1097Hydrochloric Acid BufferPlace 50 mL of the potassium chloride solution in a 200mL volumetricflask, add the specified volume of the hydrochloric acid solution, thenadd water to volume.pH HCl, mL Acid Phthalate BufferPlace 50 mL of the potassium biphthalate solution in a 200mLvolumetric flask, add the specified volume of the hydrochloric
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