chromate

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chromate

 [kro´māt]
any salt of chromic acid.

chro·mate

(krō'māt),
A salt of chromic acid.
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References in periodicals archive ?
(1-3) Typical examples are chromates, molybdates, tungstates, vanadates, phosphates, phosphites, polyphosphates, borates, metaborates, nitrites, silicates, ferrites, and nitroph-thalates as their various metallic salts with polyvalent metals such as zinc, magnesium, calcium, strontium, barium, aluminum, and--more historically--lead.
Ion-exchanged silica anticorrosive pigments: a review and recent developments
"We now need a good population study that examines levels of ascorbic acid and chromate in red blood cells along with any associated genetic damage."
Mutagenic mix
It is a big step, but we are confident that by substituting lead chromates with safer, high performing alternatives, we can make a big difference."
Jotun to phase out lead chromates in paint
BASF's site in Besigheim, Germany, the location where the company exclusively produced lead chromate pigments, is where the future production of alternative products will gradually be developed and expanded.
BASF to phase out lead chromate pigment production; company to focus on alternative pigments
For aluminum surfaces used in the aerospace industry, the primer typically is an epoxy coating that contains a hexavalent chromium species such as strontium chromate, and the topcoat is again polyurethane.
Corrosion protection with coatings: facing the challenge
Whilst there is no legislation in place actually banning the use of chromates, it is our view that it is only a matter of time.
Chromate-free etch primer
BASF is going to stop producing lead chromate pigments by the end of 2014 at the latest and concentrate worldwide on the production and marketing of alternatine products the company said.
BASF to stop producing lead chromate pigments by 2014
"The means by which to deliver the level of corrosion protection provided by traditional inhibitors such as chromates, while at the same time minimizing worker and environmental exposure, is central to ongoing studies," says Mr.
Corrosion prevention in paints and coatings
As an alternative to conventional lead chromates, Engelhard, through its Harshaw Div., has introduced silica-encapsulated lead chromate pigments, which have proven to significantly lower the level of acid-soluble metals released upon burning or burial in a landfill.
Additives in the environment: a challenge for the nineties
PPG Industries' aerospace business and Altair Nanotechnologies have formed an agreement for the development and commercialization of environmentally friendly nanoparticle technology to replace chromate in aircraft primer that affords excellent corrosion resistance in high-solids and waterborne formulas.
PPG aerospace, Altairnano form agreement
"Dust is the no-no with the chromates. If you ingest the dust it's a problem, since chromates are carcinogenic," Mr.
Aerospace coatings: taking off? The aerospace market has lost some altitude since the September 11, 2001 attacks in the U.S., but new products and the development of chromate-free coatings provide hope that the market may take off once again
In addition to being free from chromates, the new primer provides users with numerous performance, appearance and application benefits, it said.
AkzoNobel, Airbus launch new chromate-free exterior primer

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