When nitric acid is poured on copper, a brown vapor gives off.
将硝酸倒在铜上, 会散发出一种棕色
蒸气。
]硝酸When nitric acid is poured on copper, a brown vapor gives off.
将硝酸倒在铜上, 会散发出一种棕色蒸气。
Technology of nuclear fuel cycle.Determination of neptunium in nitric acid solutions by molecular absorption spectrophotometry.
核能.核燃料循环技术.分子吸收分光光度法测
硝酸溶液中
Nuclear energy.
Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.
工生产品中腐蚀性物料，如：烧碱、纯碱、浓稀硫酸、碳酸、醋酸等。
The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.
该方法采用硝酸溶解样品,黄原酯棉富集分离,以硫氰酸盐滴法进行测。
This article introduces that using mixed acid of nitric acid and sulfuric acid, beet waste-slag produces industrial product oxalic acid by ordinary pressure hydrocarbonylation.
介绍利用硝硫混酸常压氧法，把甜菜废渣制成工业品草酸。
The selective oxidation of ethers by chromic reagent, peroxide, nitric acid, oxygen and ozonide, as well as the ethers anodic oxidation are particularly introduced.
主要介绍了铬(Ⅵ)类试剂,过氧物、硝酸、氧和臭氧等各类氧剂对醚选择性氧以及醚阳极电氧研究状况。
The indium sesquioxide with over 99% purity can be prepared by a decomposition of nitric acid. The method was characterized by fewer equipments, simple operation, low cost and quick yield.
采用硝酸分解法可制取纯度高于99%三氧二铟.法具有设备少、操作简单、成低、见效快等优点.
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