查询词典 titrant

With some automatic titrators, the abrupt change in current or potential at the endpoint serves to close a solenoid-operated valve that controls the buret delivering the titrant.

对一些自动滴定仪来说，电流或电势在终点的突然改变可以关闭螺旋管操作阀，它是控制滴定管释放滴定液的。

Due to the logarithmic nature of the pH curve, the transitions are, in general, extremely sharp; and, thus, a single drop of titrant just before the endpoint can change the pH significantly - leading to an immediate colour change in the indicator.

由于PH曲线的对数性质，一般而言转变是非常明显的，因此，等当点之前的一滴滴定液能使PH发生显著变化，引进指示剂颜色突变。

Titrate with 0.01 N sodium thiosulfate VS, adding the titrant slowly with continuous shaking, until the yellow color is almost discharged.

滴定0.01 n硫代硫酸钠，加入滴定剂慢慢连续摇头，直到黄色的。

Proceed as directed under Standardization of Dithizone Titrant, beginning with Titrate the solution.

进行如被指挥在标准化之下of双硫腙滴定试药，从开始滴定解答。

In this investigation,the composition of copolymer P(AM- co -NaAMPS) of acrylamide and 2-acrylamido-2-methyl-propanesulfonate sodium has been determined with the aqueous solution of cetyl trimethyl ammonium bromide as titrant at a concentration of 0.001 mol·L-1 by conductometric titration method.

与元素分析进行比较的结果表明，上述复合作用电导滴定法可作为测定水溶性大分子链中磺酸盐单体含量的方便而又准确的方法，而且预计还可用作为测定水溶性大分子链中其它离子性基团含量的简捷方法。

The oxygen-flask cormbustion method is used to determine the total phosphorus in cotton seed using lanthanum nitrate as titrant and haematoxylin as indicator.

氧瓶燃烧法以硝酸镧标准溶液做滴定剂，苏木精为指示剂，测定棉籽中的总磷。

This paper discusses the reaction principle and titrimetric operation in defining consistency of potassium permanganate titrant which sodium oxalate is regarded as the basis material.

分析了以草酸钠为基准物标定高锰酸钾标准溶液浓度的反应原理，标定操作及温度、酸度、滴定速度等滴定条件对标定结果的影响。

This is ideally the same volume as the equivalence point - the volume of added titrant at which the number of moles of titrant is equal to the number of moles of analyte, or some multiple thereof.

理想中，这与等当点的体积相同。等当点是滴定液的摩尔数等于或几倍于被测物摩尔数时所加入的滴定液的体积。

Calculate the quantity, in μg, of Hg equivalent to each mL of Dithizone Titrant by the formula: 20 / V, in which V is the volume, in mL, of Dithizone Titrant added.

由惯例计算数量，在μg， Hg等效与每mL双硫腙滴定试药： 20/V， V是容量，在mL，双硫腙滴定试药增加。

The titrant is a mixture of EDTA and sodium fluoride, both mercury film electrode and fluorinion selective electrode are inserted in the titration solution. In a process of titration, both the added volume of titrant and the concentration of mercury ion at each titration point can be obtained simultaneously from the potentials of two electrodes, and then the concentration of each component in the alloy can be obtained from the titration curves by multivariate calibration.

用ED-TA与氟化钠的混合溶液作为滴定剂，被滴定液中同时插入了汞膜电极和氟离子选择电极，在滴定过程中的任一滴定点，溶液中汞离子的浓度和滴定剂的加入体积可由两个电极的电位测定值同时获得，从而可应用多元校正法由相应的滴定曲线求得混合金属中每一种组分的含量。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。