,K2Cr2O7 depigmentation and Cr2(SO4)3 spectrophotomety for direct determination of CODCr were established.

Fading Spectrophotometric Determination of Heparin with Brilliant Cresyl Blue;

Causes for the cracking-off and fading of iridescent chromating film on zinc deposits and solutions thereof;

On the basis of the fading and bleaching processes, the black,purple and blue rabbit fur of special color and great different tone was given the satisfactory oxidized fading result,with the help of the pretreatment and the protective fatliquoring,and the strength as well as the handle of the rabbit skins are good and full.

Based on the bleaching mechanism of low temperature meat products, a high effective complex color retention agent containing tea polyphenols 0.

Study on discoloration reason and color-protecting for pickles;

This articles introduces the study of beef sausage discoloration.

The paper uses Bouguer-Beer law calculating common mathematic expression to protract specification curve of increasing color reaction and depigmentation reaction in spectrophotometry analysis.

The depigmentation and aging effects of lighting to paint and colored drawing of Chinese classical architecture is a basic subject that needs to research in hurry in landscape lighting technologies of Chinese classical architecture.