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It's a toxin found in cement.
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What does it mean if the chlorine test turns orange - What does it mean?
What does it mean if the chlorine test turns orange - What does it mean ...
What is obtained mean?
what does obtained mean
What does 925 mo nc mean on jewelry?
92.5 percent pure silver. MO stands for Modena Italy
Does greasy mean slippery?
not nessesarily slippery can mean slik or smooth greasy can mean with grease or very oily
What does saltinity mean?
If you mean salinity, it is the amount of salt in a liquid.
What is the chemical make up of hexavalent chromium?
It is a valence of chromium. The hexavalent chromium is present in anions as CrO42- and Cr2O72-.
What is the purpose of hexavalent chromium?
Hexavalent chromium is a chemical used with wood preservation, textile dyes, and leather tanning. When it is inhaled it is considered to be a carcinogen.
What is the charge of ion phosphorus?
Phosphorus can be bi-, tri-, penta- and hexavalent.
What chemical was responsible for poisoning the ground water in Erin Brockovich?
hexavalent chromium
Why can't extrinsic semiconductors be fabricated from bivalent and hexavalent elements?
My thinking is ... If intrinsinc semicoductor is doped with Hexavalent Impurity, then energy level of outermost orbit of hexavalent atom, will fall below than that of pentavalent atom, so more amout of energy will be required to move this newly generated electron to move from fermi level to conduction band of semicondoctor. And vice versa for Bavalent.
What chemical did Erin Brockovich dis cover was poisoning the water in Hinckley CA?
Hexavalent Chromium
Use hexavalent or divalent impurity in diode?
Called "doping" forget specifics--studied long ag
What are words that start with hex that mean six?
cachexiascachexiccachexiescachexycathexescathexiscyclohexanecyclohexanescyclohexanonecyclohexanonescycloheximidecycloheximidescyclohexylaminecyclohexylamineshexhexachlorethanehexachlorethaneshexachloroethanehexachloroethaneshexachlorophenehexachloropheneshexachordhexachordshexadhexadehexadecimalhexadecimalshexadeshexadichexadshexagonhexagonalhexagonallyhexagonshexagramhexagramshexahedrahexahedronhexahedronshexahydratehexahydrateshexameterhexametershexamethoniumhexamethoniumshexamethylenetetraminehexamethylenetetramineshexaminehexamineshexanehexaneshexaplahexaplarhexaplashexaploidhexaploidieshexaploidshexaploidyhexapodhexapodieshexapodshexapodyhexarchieshexarchyhexedhexerhexereihexereishexershexeshexinghexobarbitalhexobarbitalshexokinasehexokinaseshexonehexoneshexosaminidasehexosaminidaseshexosanhexosanshexosehexoseshexylhexylresorcinolhexylresorcinolshexylsnarthexnarthexesunnilhexiumunnilhexiums
What are some words that begin with the hexa prefix?
hexahedron, hexaphyllous, hexadactylia, hexacyclic, hexactine, hexavalent, hexavaccine, hexapod, hexaploid, hexane, hexagram,
How do you store hexavalent chromium?
For example potassium dichromate is not stored in metal containers, not close to combustible materials, it is placed in a controlled area, works permitted only for skilled personnel.
What has the author Donald G Lee written?
Donald G. Lee has written: 'The oxidation of organic compounds by permanganate ion and hexavalent chromium' -- subject(s): Oxidation, Permanganates, Chromium ions
How do you make sodium chromate?
Chromic acid and ammonium hydroxide react to yield ammonium dichromate followed by crystallization to yield a pure crystalline product. H2Cr2O7 + 2NH4OH ==> (NH4)2Cr2O7 + 2H2O Reactions with the dichromate ion should be avoided if possible due to the toxicity and possible carcinogenic nature of hexavalent chromium. Groundwater contamination with hexavalent chromium was the subject of the Hollywood movie Erin Brockovich.
