滴定溶液

Solution from a 10 mL buret.(tolerance ±0.02 mL). On the lower end of the buret attach

加入1滴酚酞*指示剂，用装在10 mL滴定管的氢氧化钠溶液滴定公差±0.02 mL

Add 1 drop of phenolphthalein* indicator and titrate with the sodium hydroxide solution from a 10 mL buret.(tolerance ±0.02 mL). On the lower end of the buret attacha disposable 1-200 L plastic tip.

加入1滴酚酞*指示剂，用装在10 mL滴定管的氢氧化钠溶液滴定(公差±0.02 mL)在滴定管的末端附加一个即用即弃的1-200 L 的塑胶头。

Add 1 drop of phenolphthalein* indicator and titrate using a 10 mL buret filled with standardized 0.05 M sodium hydroxide solution (available from the automatic buret, record the actual concentration). Attach a plastic tip to the end

加1滴酚酞*指示剂，然后用刻度为10 mL的，已充满0.05M标准氢氧化钠溶液的滴定管进行滴定(也可以用自动滴定管，记录实际的浓度)在滴定管的未端装上一个塑料尖嘴plastic

Its principle is to use the acid standard solution or the alkali standard solution to titrate the opposite acid-base material, by which the content of measured material is calculated according to standard solution's consumption.

其原理是用酸标准溶液或碱标准溶液来滴定具有相反酸碱性的物质，根据标准溶液的消耗量来计算被测物质的含量。

6 To the bottles resered as blanks, melt the ice, add 6 to 8 drops of the phenolphthalein indicator solution to the bottles and titrate to a pink end point.

10.1.6 保留空白样品的瓶子，直接加入融化的冰，在瓶子里加入6到8滴的酚酞指示剂溶液来标示滴定终点。

This kind of material is had volatile, after the evaporate in alkalescent solution goes out, with titrate of standard acerbity solution, computation its content. Triumphant family name decides 1.2 main instruments and reagent azotic appearance: KJeltecTM2300,; of Swiss FOSS company magnesian, boric acid, hydrochloric acid: The? that treat Ju is magnesian mix hang fluid: 1%.

此类物质具有挥发性，在碱性溶液中蒸出后，用标准酸溶液滴定，计算其含量。1.2主要仪器和试剂凯氏定氮仪：kjeltecTM2300型，瑞士FOSS公司；氧化镁、硼酸、盐酸：分析纯；氧化镁混悬液：1%。

Can also be methyl red - bromocresol green mixture (from 100 said bromocresol green solution in 100 ml 95 alcohol solution, and that 200 mg of methyl red dissolved in 100 ml 95thanol solution, Mixed with 3 1), the titration end changed from light blue

亦可采用甲基红---溴甲酚绿混合剂(称取100溴甲酚绿溶液于100ml 95乙醇溶液中，再称200mg甲基红溶于100ml 95乙醇溶液中，以3 1混合)，滴定终点由品月变

Titrate the liberated iodine with 0.1 M sodium thiosulphate, using 0.5 ml of starch solution R, added towards the end of the titration, as indicator.

用0.1 M的硫代硫酸钠滴定游离碘，加入0.5ml淀粉溶液作指示剂，滴加至终点。

Standardize this solution by titrating 25.0 mL with the Reagent, previously standardized as directed under Standardization of the Reagent.

用卡尔试剂滴定25.0ml的上述溶液去标定该溶液，标定参考之前卡氏试剂的标定。

Using methanol as solvent and sodium methanol standard solution as titrant,the certification of NTO standard substance was investigated by non-aqueous titration .

以甲醇为溶剂，采用甲醇钠溶液作为滴定剂，通过非水滴定法对NTO的定值方法进行研究，选择了最佳条件。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。