The Chinese publication also said that some of Yuzhong's bleaching agents
contained as much as 30% pulverized lime.
Regulating the charge of bleaching agent
on the basis of chip quality could cut the cost of bleaching.
Another study by researchers found that dental bleaching agents
can damage some filling materials.
Hydroquinone judiciously used is a valuable bleaching agent
Washington, January 1 ( ANI ): Scientists at The Johns Hopkins Hospital have found that a combination of robot-like devices that disperse a bleaching agent
into the air and then detoxify the disinfecting chemical are highly effective at killing and preventing the spread of multiple-drug-resistant bacteria, or so-called hospital superbugs.
The Advanced Skin Lightening Face Cream uses botanical extracts in the place of hydroquinone, a common bleaching agent
in many skin lightening products.
Earlier this week the Irish Daily Mirror revealed smugglers were using a bleaching agent
to change the colour of diesel.
The bleaching agent
was found in chicken pie fillings and sugar syrups.
1% Hydrogen Peroxide bleaching agent
for about a year before it had any effect.
Lemon juice was also discovered to work well thanks to a natural bleaching agent
Dr Duncan Campbell, Public Analyst for West Yorkshire, said: "Hydroquinone is a bleaching agent
which is widely used in the photographic industry.
The latter is a more selective bleaching agent
because of its reductive nature.