EP7.0滴定液配制与标定.doc

Volumetric solutions:Hydrochloric acid 盐酸滴定液1M Hydrochloric acid: Dilute 103.0g of hydrochloric acid R to 1000.0ml with water R. 称取103.0 g 盐酸至1000ml 量瓶中，加水稀释至刻度。Standardisation: Dissolve 1.000 g of sodium carbonate RV in 50ml of water R, add 0.1 mL of methyl orange solution R and titrate with the hydrochloric acid until the solution just becomes yellowish-red. Boil for 2 min. The solution reverts to yellow. Cool and continue the titration until a yellowish-red colour is obtained.1 mL of 1 M hydrochloric acid is equivalent to 53.00 mg of Na2CO3.标定：称取1.000g 基准无水碳酸钠溶解于50ml水中，加0.1ml甲基橙溶液，用盐酸滴定液滴定至溶液出现黄红色。煮沸2分钟。溶液变成黄色。冷却至室温，继续滴定至溶液由黄色变成黄红色。每1 mL 盐酸滴定液（1mol/L）相当于53.00 mg 无水碳酸钠。0.1M Hydrochloric acid:Dilute 100.0 mL of 1 M hydrochloric acid to 1000.0 mL with water R.量取100ml 1 mol/L 盐酸滴定液至1000ml 量瓶中，加水稀释至刻度。Standardisation. Carry out the titration described for 1 M hydrochloric acid using 0.100 g of sodium carbonate RV dissolved in 20 mL of water R.1 mL of 0.1 M Hydrochloric acid is equivalent to 5.30 mg of Na2CO3.标定：按标定1mol/L 盐酸滴定液进行，称取0.100g无水碳酸钠溶于20ml水中。每1ml 0.1mol/l盐酸滴定液相当于5.30mg碳酸钠。0.01 M Hydrochloric acid:Dilute 10.0 mL of 1 M hydrochloric acid to 1000.0 mL with water R.量取10.0mL1mol/L盐酸滴定液并用水稀释至1000.0mL.Standardisation. Sodium hydroxide 氢氧化钠滴定液1 M sodium hydroxide: 1mol/L氢氧化钠滴定液Dissolve 42 g of sodium hydroxide R in carbon dioxide-free water R and dilute to 1000.0 mL with the same solvent.称取42g氢氧化钠，加去二氧化碳水稀释至1000.0mlStandardisation. Titrate 20.0 mL of the sodium hydroxide solution with 1 M hydrochloric acid using the indicator prescribed in the assay in which 1 M sodium hydroxide is used.标定：量取20.0ml 氢氧化钠溶液，用1mol/L盐酸滴定液标定。使用酚酞指示液指示终点。0.1M Sodium hydroxide:Dilute 100.0 mL of 1 M sodium hydroxide to 1000.0 mL with carbon dioxide-free water R.量取1mol/L氢氧化钠滴定液100.0mL，用去二氧化碳水稀释至1000.0mL。Standardisation. Titrate 20.0 mL of the sodium hydroxide solution with 0.1 M hydrochloric acid, using the end-point detection prescribed for the assay in which the 0.1 M sodium hydroxide is used.标定：量取20.0mL 氢氧化钠溶液，用0.1mol/L盐酸滴定液滴定。用0.01M sodium hydroxide:0.02M sodium hydroxide:Sulfuric acid 硫酸滴定液0.5 M Sulfuric acid:Dissolve 28 mL of sulfuric acid R in water R and dilute to 1000.0 mL with the same solvent.量取硫酸溶液28mL，缓慢加入水中，并用水稀释至1000mL。Standardisation. Dissolve 1.000 g of sodium carbonate RV in 50 mL of water R, add 0.1 mL of methyl orange solution R, and titrate with the sulfuric acid until the solution begins to turn reddish-yellow. Boil for about 2 min. The colour of the solutions reverts to yellow. Cool and titrate again until the reddish-yellow colour reappears.标定。称取1.000g无水碳酸钠溶于50mL水中，加0.1mL甲基橙试液，用硫酸滴定液滴定至溶液出现红黄色。煮沸2分钟。溶液颜色变黄。冷却至室温，继续滴定至红黄色出现。1 mL of 0.5 M sulfuric acid is equivalent to 53.00 mg of Na2CO3.每1mL0.5mol/L硫酸滴定液相当于53.00mg无水碳酸钠。0.05 M Sulfuric acid:Dilute 100.0 mL of 0.5 M sulfuric acid to 1000.0 mL with water R.量取100.0mL0.5mol/L硫酸滴定液，加水稀释至1000.0mL.Standardisation. Carry out the titration described for 0.5 M sulfuric acid, using 0.100 g of sodium carbonate RV, dissolved in 20 mL of water R,标定：按标定0.5mol/L硫酸滴定液进行标定，称取氢氧化钠0.100g溶于20mL水中。1 mL of 0.05 M sulfuric acid is equivalent to 5.30 mg of Na2CO3. 0.1 M Silver nitrate 0.1 mol/L 硝酸银滴定液Dissolve 17.0 g of silver nitrate R in water R and dilute to 1000.0 mL with the same solvent.称取17.0g硝酸银溶于水中，并用水稀释至1000.0mLStandardisation. Dissolve 0.100 g of sodium chloride RV in 30 mL of water R. Titrate with the silver nitrate solution, determining the end-point potentiometrically (2.2.20).标定：称取0.100g氯化钠溶于30mL水中。用硝酸银溶液滴定，用电位滴定法(2.2.20)指示终点。1 mL of 0.1 M silver nitrate is equivalent to 5.844 mg of NaCl.没1mL0.1mol/L硝酸银滴定液相当于5.844mg氯化钠。Storage: protected from light.贮存：避光保存。0.1M Sodium edetateDissolve 37.5g of sodium edetate R in 500 mL of water R, add 100 mL of 1 M sodium hydroxide and dilute to 1000.0 mL with water R.称取37.5g乙二胺四乙酸二钠溶于500mL水中，加入1mol/L氢氧化钠滴定液100mL并用水稀释至1000.0mL.Standardisation. Dissolve 0.120g of zinc RV in 4 mL of hydrochloric acid R1 and add 0.1 mL of bromine water R. Drive off the excess of bromine by boiling, add dilute sodium hydroxide solution R until the solution is weakly acid or neutral and carry out the assay of zinc by complexometry(2.5.11)标定：量取0.120g基准锌溶于4mL盐酸溶液R1，加入0.1mL溴水。1 mL of 0.1 M sodium edentate is equivalent to 6.54 mg of Zn.Storage: in a polyethylene container.贮存：聚乙烯瓶0.1M Zinc sulfate 0.1mol/L 硫酸锌滴定液:Dissolve 29 g of zinc sulfate R in water R and dilute to 1000.0 mL with the same solvent.称取29g硫酸锌溶于水中，用水稀释至1000.0mL.Standardisation. To 20.0 mL of the zinc sulfate solution add 5 mL of dilute acetic acid R and carry out the determination of zinc by complexometry (2.5.11)标定：量取20.0mL硫酸锌溶液，并往其加入5mL稀醋酸，用配位滴定法（2.5.11）指示终点。Sodium thiosulfate 硫代硫酸钠滴定液0.1M Sodium thiosulfate：Dissolve 25 g of sodium thiosulfate R and 0.2 g of sodium carbonate R in carbon dioxide-free water R and dilute to 1000.0 mL with the same solvent.称取25g硫代硫酸钠和0.2g碳酸钠溶于去二氧化碳水中，并用去二氧化碳水稀释至1000.0mL.Standardisation. To 10.0 mL of 0.033 M potassium bromate, add 40 mL of water R, 10 mL of potassium iodide solution R and 5 mL of hydrochloric acid R1. Titrate with the sodium thiosulfate solution, using 1 mL of starch solution R, added towards the end of the titration, as indicator.标定：量取10.0mL0.033mol/L溴酸钾滴定液，加入40mL水，10mL碘化钾溶液和5mL盐酸。用硫代硫酸钠标定，并用1mL淀粉溶液作为指示剂滴定终点。0.05M Sodium thiosulfate:0.05M Iodine 碘滴定液：Dissolve 12.7 g of iodine R and 20 g of potassium iodide R in water R and dilute to 1000.0 mL with the same solvent.称取12.7g碘和20g碘化钾溶于水中，并用水稀释至1000.0mL.Standardisation. To 20.0 mL of the iodine solution add 1 mL of dilute acetic acid R and 30 mL of water R. Titrate with 0.1 M sodium thiosulfate, using starch solution R as indicator.标定：量取20.0mL碘滴定液，加入1mL稀醋酸和30mL水。用0.1mol/L硫代硫酸钠滴定液标定，用淀粉溶液作为指示剂。Storage: protected from light.贮存：避光保存。0.1M Ammonium and cerium nitrate 0.1mol/L硝酸铈铵滴定液:Shake for 2 min a solution containing 56 mL of sulfuric acid R and 54.82 g of ammonium and cerium nitrate R, add five successive quantities, each of 100 mL, of water R, shaking after each addition. Dilute the clear solution to 1000.0 mL with water R. Standardise the solution after 10 days.Standardisation. To 25.0 mL of the ammonium and cerium nitrate solution add 2.0 g of potassium iodide R and 150 mL of water R. Titrate immediately with 0.1 M sodium thiosulfate, using 1 mL of starch solution R as indicator.Storage: protected from light.0.02M Potassium per