(Mathieson) method, Daiso law, Holst (Holst) method, Persson Act (Persson) method and the method R1 . >a. Mattison method (sulfuric acid method)
Chlorine dioxide preparation-sodium chlorite method
Time of Update: 2021-12-05
Chlorine dioxide can be compressed into a liquid under normal temperature conditions, and is very volatile, and will chemically decompose under light irradiation .
Chlorine dioxide preparation-electrolysis
Time of Update: 2021-12-05
During the electrolysis process, a caustic soda solution and hydrogen are prepared at the cathode , and a mixture of CIO 2 , Cl 2 , H 2 O 2 and O 3 is obtained at the anode .
The British government warns: be prepared for a 400% increase in carbon dioxide prices
Time of Update: 2021-09-28
. " Rising carbon dioxide prices are one of the latest problems facing the British food industry .
Successful preparation of high-performance ultra-thin carbon dioxide separation membrane
Time of Update: 2021-08-27
they prepared uses COFs nanosheets as the membrane building element to induce the staggered shrinkage effect and realize the preferential permeation and separation of carbon dioxide in the carbon dioxide/hydrogen mixture
Be prepared for danger in times of peace The next three years is a critical period for the development of my country's titanium dioxide
Time of Update: 2021-07-17
Supply and demand wheel drive , , titanium dioxide product prices to maintain upward trend overall, industry profits more substantial, usher in a new round of economic cycle.
On May 25th the price index of sulphuric acid against titanium dioxide was 103.26
Time of Update: 2021-02-03
The reference price for the downstream commodity titanium dioxide was 13354.17, up 5.462% in 113 days from 2015-2-2.
On June 4th the price index of sulphuric acid against titanium dioxide was 103.26
Time of Update: 2021-01-31
The reference price for the downstream commodity titanium dioxide was 13354.17, up 5.462% in 123 days since 2015-2-2.
Introduction of titanium dioxide and the production process of titanium dioxide powder with sulphuric acid "dry goods"
Time of Update: 2020-11-23
, and the chlorination method was only started by DuPont in 1975 to produce type A, in which oxidation steps control particle size distribution and crystal structure , enabling it to produce titanium dioxide with high masking and base color, and high
Titanium dioxide by sulphuric acid will meet the era of chlorination.
Time of Update: 2020-09-07
Group's Research Institute are committed to the process of chlorinated titanium dioxide "eating" domestic raw materials, and have achieved gratifying results. Such as Angang Group Research Institute to Sichuan Panzhihua titanium iron ore as raw
A number of Sydney shops have been fined for illegally adding sulphur dioxide to meat.
Time of Update: 2020-09-02
Australia New South Wales Sout food safety Bureau recently announced that a number of meat products shops in Sydney were tested out of the illegal use of chemical ingredients Sulfur oxide
Hong Kong: Fresh pork samples contain sulphur dioxide.
Time of Update: 2020-08-30
Under the Food Preservatives Regulations (Chapter 132 Subsidiary Legislation), it is an offence to add sulphur dioxide to fresh and chilled meat, punishable by a maximum fine of $50,000 and imprisonment for six months.
made progress in the preparation of carbon dioxide catalyst for high efficiency electroreduction
Time of Update: 2018-08-20
Recently, Zeng Jie, Professor of the school of chemistry and materials science of the University of science and technology of China and Hefei National Research Center for micro