Synthesis of ketal catalyzed with silver salts of tungstophosphoric;

Following the rapid development of new imaging technologies and their expanded applications, the production and application fields of traditional silver salts photo materials have been shrinking unceasingly, the world consumption of miscellaneous photo roll films decreased from 3.

Arsenic in cosmetic can be reduced by KBH 4 to form AsH 3,which can react with new silver salt to form a colored product.

The preparation conditions,practical properties and some problems relating its application of silver halide dry plate of high contrast for holography are described.

This paper presents a brief and concise outline of the structure,characteristics and behavior mechanism of silver salts transfer CTP plate used for making direct Computer -to -plan te printing plate.

In order to understand the characteristic of the arsenical metabolism and distribution in the different chicken organ,this experiment studied the pharmacokinetics of arsenic trioxide in chicken with new silver salt spectrophotometry.

The silver diethyl dithiocarbamate (Ag-DDC) and the new silver salt spectrophotometry were used to determine arsenic in thirteen kinds of Guangdong native herbs.

Measurements of copper and iron contents in silver-magnesium salt membrane of zinc-silver battery;