Methods Certain amounts of and Zn were put into the wastewater to produce hydrogen (H2) and the H2 reacted with S2-to form H2S, and sulfuret was separated from the wastewater.
In addition, non-coated paper in high-humidity environment of sulfide, chemical pulp and fill applicatron dottle out acid melted, making of gold and silver monlchamus nigrescent who lose their luster.
The process of change for thermo-oxidative degradation of latex film at different vulcanization time during the prevulcanization of latex by peroxide was studied by using of TG-DTG and DTA.
Both volumetric method and gravimetric method can be used for determination of Zn in thiofide ZDBC.The gravimetric method is easy to operate but it spents more analysis time.
The results show experiment have a higher removal rate and the last oxidize product of hydrothion and mercaptan is condensed state sulfide, could not be sulfur dioxide.
It is studied further that the dissolubility of the bismuthous sulfide in the solutions of the non-oxidative strong acid through the experiment by means of chemical thermodynamics.
The deionizing and deoxidizing water is required by the methylene blue spectrophotometric method in the new national standard to analyze sulfide in water and waste water.
This paper introduces experiment clearing away hydrosulfuric and mercaptan in waste gas from industry and o-zone, retention period, catalyzer and so on influence on removal rates.
Chlorinated Polyethylene (CPE) is a macromolecule and orderless chloride of Polyethylene.It is a rubber shaped plastic, which after being vulcanization treatment, can turn into elastic rubber.
Which indubitably indicate that the bismuthous sulfide can only dissolve in halogen acid except hydrofluoric acid, the mixed solution of dilute sulfuric acid and alkali halide.
Some derive their carbon from inorganic sources, and their hydrogen from hydrogen sulfider or other inorganic compounds, while other bacteria may be photosynthetic or saprobic.
Patients also seem to have a higher proportion of gut bacteria that produce sulfides, and often high sulfide production is correlated with periods of active inflammation as opposed to remission.
But, she said, " a lot of the sulfide mines in the past haven't really had a problem until after closure. It's something that our grandchildren are going to inherit."
In 1975 a lorry driver, Thomas Carroll, died after inhaling lethal hydrogen sulphide fumes given off by two toxic loads dumped in Pitsea, which made the press across the UK.
Using the serial analysis method, researchers obtained space weathering information of silicates, oxides, phosphates and sulfides on the surface of a single particle of lunar soil collected by Chang'e-5.
That rotting smell is really just the smell of dangerous bacteria breaking down the cells of the food and releasing an icky chemical called hydrogen sulfide.
地球》 
中
。
丙酮、苯、甲苯、二
续条状分布的
中加入一定量的浓硫酸和锌粒,生成H2,利用H2和S2-结合生成H2S,以分离
，被画家称为朱红色，有一个小
带隙。
中溢出。
们在地球
