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Potassium相关的网络例句

查询词典 Potassium

与 Potassium 相关的网络例句 [注:此内容来源于网络,仅供参考]

Pd could be quantificationally separated from Sb, Zrand Ce by flotation when the concentrations of potassium bromide and tetrabutyl ammonium bromide in solution were 1.5×10^(-2) molL^(-1) and 2.0×10^(-3) molL^(-1), respectively. The method was used for the separation and determination of Pdin the sample of synthetic water with satisfactory results.

当溶液中嗅化钾和四丁基溴化铵的浓度分别为1.5×10^(-2)molL^(-1)和2.0×10^(-3)molL^(-1)时,钯被定量浮选,实现了钯与锑、锆、和铈离子的定量分离,对合成水样中的钯进行定量浮选分离测定,结果满意。

Its IR spectrogram performed by potassium bromide showed characteristic absorption peaks in the wavelength of 2917, 2849, 1716, 1463, 1382 and 720cm~(-1), respectively.

EZR_(2002)外观为黄色或黄绿色粉末,熔点在74~79℃之间;经溴化钾压片后的红外光谱图显示在2917、2849、1716、1463、1382和720cm~(-1)处有特征性吸收峰;溶于二氯甲烷后的紫外光谱图显示在412nm处有强吸收,在665nm处有次强吸收,还分别在505、535和605nm附近有弱吸收。

Bromobutane was synthesized from potassium bromide and n-butyl alcohol by adding concentrated sulfuric acid in water. Various affecting factors were investigated.

以溴化钾、正丁醇为反应原料,水为溶剂,滴加浓硫酸合成溴代正丁烷。

Bromooctane was synthesized from potassium bromide(by-product of synthesizing 2-hydroxy-4-octyloxybenzophenone) and n- octanol using concentrated sulfuric acid as a catalyst.

以生产2-羟基-4-正辛氧基二苯甲酮的副产物溴化钾和正辛醇为原料,浓硫酸为催化剂,合成了溴代正辛烷。

Potassium chloride, bromide, chloride, magnesium chloride consumption, exports of magnesium chloride in Southeast Asia and Oceania countries.

主要产品:氯化气钾、溴素、氯化镁、实用氯化镁,其中氯化镁出口东南亚及大洋洲诸国。

In addition, it also produces reagents such as potassium bromide, Ludox and sodium metasilicate etc.

另有试剂溴化钾、章洗氯、钢锭模底板涂料、硅溶胶、偏硅酸钠及酒用香料酸酯类产品20余种。

Crystallization ; separation ; solventing out ; potassium bromide

结晶;分离;溶剂析出;溴化钾

A new catalytic kinetic method with second derivative oscillopolarography detection for determining trace amounts of NO〓〓 has been developed. The method is based on the catalytic oxidation of Amarath by potassium bromide in the diluted H〓SO〓. The detection limit of the method is 2.8×10〓g/ml, the linear range of the determination 〓is 0.6~14ng/ml for NO〓.

首次研究了鸡冠红的示波极谱行为,并发现NO〓〓在稀硫酸介质中对KBrO〓氧化鸡冠红褪色反应具有强的催化作用,本文采用两阶导数示波极谱法作监测技术,测定了该催化体系的表观反应级数及动力学方程,建立了催化动力学伏安法测定痕量NO〓〓的新方法。

The experimental result showed that the optimal conditions were the molar ratio of potassium bromide to cyclohexanol 1:0.8, H2O 1.5mL,concentrated sulfuric acid 5mL , reflux reaction for 4h, the separated yield was high up to 93%.

结果表明,当反应条件为:溴化钾与环己醇摩尔比1:0.8,水1.5mL,浓硫酸5mL,回流反应4h,分离产率高达93%。

Benzyl bromide was synthesized from potassium bromide ,a by-product from synthesis of 2-hydroxy-4-n-octyloxybenzophenone(UV-531),and benzoic alcohol in the presence of concentrated sulfuric acid.

溴化钾作为工业生产2-羟基-4-正辛氧基二苯甲酮的副产品,在浓硫酸存在的条件下,与苯甲醇进行反应合成苄基溴。

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