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- The sample was dissolved in nitric acid and hydrofluoric acid,and perchloric acid fume was used to destroy fluorine. 试样以硝酸、氢氟酸溶解,用高氯酸冒烟驱除氟。
- nitric acid fuming 发烟硝酸
- The nitric acid changed the cuticle of his mouth to a yellow color. 硝酸将他口腔里的护膜变成了一种黄颜色。
- Its main synthesis method is nitration of guaiacol by fuming nitric acid and glacial acetic acid as nitration agent. 它的合成目前主要采用愈创木酚硝化法,以发烟硝酸和冰醋酸混酸做硝化剂。
- Nitric acid forms hydrates with water. 硝酸与水形成水合物。
- Nitric acid molecules are linked by hydrogen bonds. 硝酸分子以氢键互相连结。
- Methods:Isoquinoline as material was oxidized with fuming nitric acid instead of the reported concentrated nitric acid to synthesize target compound. 方法:以发烟硝酸代替文献报道的浓硝酸作氧化剂,异喹啉为原料,氧化合成目标产物。
- Anhydrous nitric acid is dissociated. 无水硝酸是电离的。
- SUPER PURE NITRIC ACID SPECIFICATIONS. 特纯硝酸。技术条件。
- Silver azide does not dissolve in water or in nitric acid. 叠氨化银不溶于水或硝酸。
- There are two acids used for decapping: fuming nitric acid and concentrated sulfuric acid. 开封用发烟硝酸和浓硫酸。
- Aliphatic hydrocarbons can be nitrated even with 13% nitric acid. 脂肪酸甚至能被13%25的硝酸硝化。
- Phenols and anilides can be nitrated with very dilute nitric acid. 酚类和酰基苯胺能被极稀的硝酸硝化。
- This method has been used for many times and similar operation time and product are obtained as that using the treatment with a mixture of sulfuric acid, nitric acid and fuming sulfuric acid. 经过多次试用，其操作时间和得到的结果，与以前使用的硫酸、硝酸加发烟硫酸的方法基本相同。
- The Application of On-line Monitoring System to Nitric Acid Plant. 工业在线监控系统在硝酸厂的应用在硝酸厂中所起的功效。
- When nitric acid is poured on copper,a brown vapor gives off. 将硝酸倒在铜上,会散发出一种棕色的蒸气。
- When nitric acid is poured on copper, a brown vapor gives off. 将硝酸倒在铜上, 会散发出一种棕色的蒸气。
- The four methods for nitric acid offgas treatment are evaluated. 对4种硝酸尾气治理方法进行了评价。
- The monitoring methods to detect phosphoric acid fume in phosphorylation workshop was made up with perchloroethylene filter membrane sampling acid digestion molybdenumblue spectrophotometry. 建立了过氯乙烯滤膜采样 -酸消解 -钼蓝分光光度法测定磷化车间磷酸雾的监测方法。
- Aquatint:It is an etching process on copper or steel by means of nitric acid. 水彩色调:用硝酸在钢片或铜片上作腐蚀的蚀刻法。
