该沉淀经硝酸溶解和浓缩结晶可以得到硝酸铜，其回收率为82.32%(以铜含量为基准)。
By treating this precipitate with nitrous acid followed by a recrystallization process, copper (II) nitrate was recovered in 82.32% yield.
这儿水里溶解了，硝酸银。
在硝酸中溶解少量银和水银，再扔一小块金属混合物，不久，蛛网一样的闪亮的“戴安娜之树”就会在玻璃上形成。
Dissolve a pinch of silver and mercury in a solution of nitric acid, drop in a lump of metal amalgam, and soon a spidery, glittering "Tree of Diana" will form on the glass.
该方法用硝酸（1+1）溶解样品。
试样用硝酸—氢氟酸溶解，硫酸冒烟后强碱分离钛、铁、镍离子，其余干扰离子用酒石酸钾钠掩蔽。
The sample is dissolved in nitric and fluoric-hydro acid adding sulfuric acid, and heating up to fuming, then the matrix element titanium is separated with sodium hydroxide.
用硝酸和氢氟酸溶解试样，采用耐氢氟酸雾化装置，用ICP - AES法测定硅锰合金中的硅。
Dissolving sample with nitric acid and hydrofluoric acid, the silicon content of silicon-manganese alloy was made a measurement with ICP-AES method in the hydrofluoric acid-resistant spray devices.
针对用国标规定的稀硫酸溶解试样、钼蓝光度法测定高锰钢中的硅存在结果偏低的问题，试验验证了用硝酸溶样能保证测定结果的准确性。
The GB stipulates that high manganese steel should be dissolved by rare sulphuric acid, the silicon in the solution should be determined by the molybdenum blue photometric method.
水质。用液态离子色谱法测定已溶解的阴离子。第2部分：在废水中溴化物氟化物硝酸盐亚硝酸盐正磷酸盐和硫酸盐的测定。
Water quality - determination of dissolved anions by liquid chromatography of ions - part 2 : determination of bromide, chloride, nitrate, nitite, orthophosphate and sulfate in waste water.
给出了硝酸钠在纯二甲基亚砜及二甲基亚砜水溶液中溶解度曲线。
The solubility curve of sodium nitrate in pure dimethyl sulfoxide and in DMSO aqueous solution are given.
摘要本文建立了用硝酸硫酸预处理除去大量的铜，王水溶解，火焰原子吸收法测定粗铜中金的分析方法。
The gold in blister copper sample was pretreated with nitric acid - sulphuric acid to remove copper, digested with aqua , and determined by flame atom absorbance spectrometry.
测定了四水硝酸镉（CNT）溶解度曲线，采用降温法培养出CNT单晶。
The solubility curve for cadmium nitrate tetrahydrate (CNT) has been ditermined. the CNT crystal can be grown by slow cooling solution technique.
试样用碱溶解后，用硝酸酸化。
Test specimen shall be dissolved with alkali, Then treated with nitric acid.
在加热下用硝酸(1 + 1)- OP溶液溶解钠盐表面活性剂样品，配制成均匀透明的样品溶液。
A transparent and homogeneous sample solution was obtained by dissolving the surfactant of sodium salt in HNO3 (1 + 1) -op solution upon heating.
试样溶解于硝酸后直接进行分析。
The samples was dissolved in HNO_3 and the resulting solution was analysed directly.
研究了月季花色素的溶解性、稳定性及对亚硝酸盐清除作用。
Study of vase solution on vase life and physiological of the cut rose;
研究了月季花色素的溶解性、稳定性及对亚硝酸盐清除作用。
Study of vase solution on vase life and physiological of the cut rose;
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