Nomination Summary for Hexavalent Chromium Compounds
Klein, "Toxicity and carcinogenicity of chromium compounds
in humans," Critical Reviews in Toxicology, vol.
James, "The complex chemistry of chromium compounds
presents unique measurement and regulatory challenges," Environmental Science & Technology, vol.
[11.] Adachi S., Yoshimura H., Miyayama R., Katayama H., Takemoto K., Kawai H.: [Effects of chromium compounds
on the respiratory system: Part 1.
Chromium is among one of the most toxic metals detectable in earth crust dueto extensive use of chromium compounds
at industrial level.
Tannery waste has been reported to contain oils and greases, chlorides, and chromium compounds
Moreover, chromium compounds
are very corrosive and can severely burn the skin.
depends principally on valency as well as physical and chemical properties of the specific compounds.
Wastewater from industries such as chrome leather tanning, metallurgy, chrome plating, textiles, ceramics, photography, and photoengraving contains moderate to excessive amounts of hexavalent chromium compounds
beyond the conventional statutory limit of 0.1mg/L.
Joining the laser revolution of the 1960s, Mr Jack produced the first British ruby suitable for use in the new instruments, employing a gaseous reaction between aluminium and chromium compounds
to yield rubies over 15cm in length.
After three years of continuous exposure, the ferrate compounds are performing as well as hexavalent chromium compounds
, and far better than other hexavalent chromium replacements.
can be deposited onto soil and water from airborne particles and there can easily change from one to another oxidation form .
During that period, the company annually processed more than 25,000 pounds of the manganese and chromium compounds
for use in its castings.
"Conventional green pigments being used in ceramic industry are based on chromium compounds
, chromium oxide in particular, and have hazardous impacts on environment.