查询词典 potassium bromide

Take for the amount of test materials, precision that set, place beaker, unless otherwise specified, may be added 40ml of water and hydrochloric acid solution (1-2) 15ml, and then set on a magnetic stirrer, stirring allows the dissolved, together with potassium bromide 2g insert platinum - platinum electrode, it will insert the solution of the following buret tip is about 2 / 3, using sodium nitrite titration solution (0.1mol / L, or 0.05mol / L) rapid titration, side drops while stirring, to near point, Burette tip surface will be presented with a small amount of water leaching cutting-edge, lotion, and solution and continue titration slowly until the sudden deflection of galvanometer pointer, namely, titration end point.

取供试品适量，精密称定，放置烧杯中，除另有规定外，可加水40ml与盐酸溶液（1-2）15ml，而后置电磁搅拌器上，搅拌使溶解，再加溴化钾2g，插入铂-铂电极后，将滴定管的尖端插入溶液下面约2/3处，用亚硝酸钠滴定液（0.1mol/L或0.05mol/L）迅速滴定，边滴边搅拌，至近点时，将滴定管的尖端提出液面，用少量水淋洗尖端，洗液并溶液中，继续缓缓滴定，至电流计指针突然偏转，即为滴定终点。

The effects of the molar ratio of potassium bromide to cyclohexanol, the amount of water and concentrated sulfuric acid, and reaction time on the yield was investigated.

考察了溴化钾与环己醇摩尔比、水用量、浓硫酸用量、反应时间对产率的影响。

Bromocyclohexane was synthesized from potassium bromide and cyclohexanol in the prensence of concentrated sulfuric acid in water.

以溴化钾和环己醇为原料，在浓硫酸存在条件下，以水为溶剂合成溴代环己烷。

Add 32 grams of potassium bromide and 0.8 gram potassium iodide to the gelatin solution and stir until dissolved.

溶解溴化钾和碘化钾：将32克溴化钾和0.8克碘化钾放入凝胶溶液，并不断搅动直到溶解。

Ingredients: Gelatin, potassium bromide, potassium iodide, and silver nitrate.

成份：凝胶，溴化钾，碘化钾，硝酸银

Potassium chloride and potassium bromide crystals were effectively colored with 36 keV xenon ions.

用36keV氙离子注入，有效地使氯化钾和溴化钾晶体着色。

Results The best experimental conditions for the new method were as follows: hydrochloric acid concentration 5%; sodium borohydride solution, potassium bromate and potassium bromide solution, 2ml each; flow rate 0.6L/min.

结果］本法的最佳实验条件为盐酸溶液浓度5%，硼氢化钠溶液和澳化剂的用量各为2ml，载气流量0.6L/min。

Potassium chloride crystal ; potassium bromide crystal ; xenon ion implantation ; color centers ; spectral parameters

氯化钾晶体；溴化钾晶体；氙离子注入；色心；光谱参数

Methods The mercury in urine, which is the total amount of inorganic mercury in urine, including those produced from organic mercury after treated by potassium bromate and potassium bromide, is determined by atomic absorption spectrophotometer after reduction into mercury atom with sodium borohydride.

方法］尿样中汞（尿中无机汞和经溴酸钾－溴化钾处理尿中有机汞生成的无机汞之和）以硼氢化钠还原生成汞原子蒸气，用原子吸收光谱仪测定其汞的含量。

Potassium bromide produced in the elimination step was cleaned with steam treatment, then used to bromize tert-Butyl alcohol, producing tert-butyl bromide.

为了回收中间元素澳，用水蒸汽蒸馏方法除去脱漠化氢后生成演化钾盐中的杂质，通过添加硫酸以再生漠化钾用于叙丁醇漠化制漠代叔丁烷。

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％。