Arsenic in waste acid was determined successfully by atomic fluorescence.
用原子荧光仪分析污酸中的砷。
Using a mixed solution of thiosemicarbazide and ascorbic acid as reducing agent, arsenic is reduced and separated from precipitated copper.
本法使用硫代氨基脲-抗坏血酸作为还原剂，将砷还原同时将铜沉淀分离。
Arsenic and fluorine contents were determined to obtain their distribution behavior in copper concentrate smelting and sulphuric acid production with the off-gas.
通过对铜精矿冶炼过程及冶炼烟气制酸过程砷、氟含量的测定，确定了在整个系统中砷、氟的分布。
Methods Based on the arsenic stain method principle the condition of reaction acid reducing agent system, measuring strip, and standard colorful board were experimented.
方法利用砷斑法原理进行反应酸、还原剂体系的配比、使用量及使用条件、检测试纸条及标准比色板的制备和条件实验。
From April 18 to May 4, 1995. one experiment was conducted to evaluate the efficacy of arsanilic acid and Roxarsaiie (another arsenic supplement) lor growing pigs.
为验证阿散酸和洛克沙生用于生长猪的效果，于1995年4月18日至5月4日在开封进行试验。
There are many ways of pretreatment to high arsenic gold concentrate such as roasting, pressure oxidation, bacterium oxidation, decomposition by nitric acid, eliminating arsenic in vacuum, etc.
目前对高砷硫金矿的预处理方法主要有氧化焙烧法、加压氧化法、细菌氧化法、硝酸分解法、真空脱砷法等。
Through monitoring to a sulphuric acid workshop of chemical plant, we probe into the pollution sour of the Arsenic, the balance of the Arsenic and administration method including Arsenic waste water.
通过对某化工厂硫酸车间的监测，探究砷的污染来源、砷的平衡以及含砷废水的治理方法。
In this paper, the author states the monitor means to wash close circulative technical system and arsenic of furnace gas in high-interference ion conditions by using sulfuric acid water.
本文叙述了硫酸水洗封闭循环工艺系统液相及其炉气中痕量砷在高干扰离子条件下的监测方法。
Arsenic pollutes the Jimghang Canal which comes from Hangzhou sulfuric acid factory.
京杭运河(杭州段三堡船闸至塘栖大桥)有砷污染，污染源为杭州硫酸厂。
By means of an example of controlling the tail gas from the production of arsenic acid, this paper introduced the pretreatment, desulfurization and wastewater closed cycle of the control system.
通过砷酸生产中含硫尾气治理实例，介绍治理系统的预处理、脱硫及废水封闭循环。
Methods: Urinary iodine of the 426 early pregnant women was determined by chloric acid-digestion and arsenic-cerium catalysis.
方法采用酸消化-砷铈接触法测定426例早期妊娠妇女尿碘。
After white arsenic beingdissolved with hydrochloric acid, the content of Fein the solution isdetermined sensitively by airacetylene flame atomic absorption spectrometry.
砒霜试样用盐酸溶解，然后用空气乙炔火焰原子吸收光谱法直接测定其中铁的含量，对测定条件进行了优化。
Taking as an example the FVR-185G5S-4 Frequency Converting Governor used in Arsenic Acid plant in Guixi Smelter, this article describes the application of the Governor to the central control system.
本文以贵溪冶炼厂亚砷酸车间使用的日本富士通FVR—185G5S—4变频调速器为例。阐述其在集散控制系统中的应用。
Taking as an example the FVR-185G5S-4 Frequency Converting Governor used in Arsenic Acid plant in Guixi Smelter, this article describes the application of the Governor to the central control system.
本文以贵溪冶炼厂亚砷酸车间使用的日本富士通FVR—185G5S—4变频调速器为例。阐述其在集散控制系统中的应用。
应用推荐