- The sample was dissolved in nitric acid and hydrofluoric acid,and perchloric acid fume was used to destroy fluorine.
- 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。
- Improvement of Test Method for Sulfuric Acid Fume in Tail Gas of Acid Hydrolysis during Production of Sulfate Process Titanium Dioxide
- He gave me a taste of his acid wit.
- Acid irritates the stomach lining.
- Acid had pitted the surface of the silver.