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Nickel Oxide Black

Alternate Names: Ni2O3, Nickelic Oxide, Nickel sesquioxide, Nickel (III) oxide, Nickel Oxide

Oxide Analysis Formula
NiO 90.32% 1.00
O9.67%
Oxide Weight 74.70
Formula Weight 82.70

Notes

CAS# 3333-67-3
A powerful and refractory colorant that produces greys, blues, and yellows. It is more concentrated than nickel carbonate and as little as .02% gives a noticeable tint. Normal additions are 2-5%.

Typical grades are 75-77% nickel metal with trace elements (0.0001-0.01%) of cobalt, iron, copper, zinc, manganese, magnesium, calcium, sodium and sulfur and chloride volatiles. Particle sizes can be very fine, down to 5 microns (below 325 mesh). It is insoluble in water and soluble in acids

It can also soften and mute more intense colorants such as copper and cobalt.
It is refractory and can raise the melting temperature of glazes if used in large amounts.

Given its high surface area and chemical reactivity, high purity black nickel oxide can be used to react with acids to form nickel salts, which can then be converted into other nickel compounds. Examples include the production of nickel sulfamate for electroplating, or the production of nickel molybdate for hydrodesulfurization catalysts.

The oxide combines with other metal oxides to produce special color pigments. Uses also include glass frits for porcelain enamel and to develop colors in clear glass.

Related Information

Links

URLs http://en.wikipedia.org/wiki/Nickel_oxide_hydroxide#Nickel_oxide_hydroxide
Nickel Oxide at Wikipedia
URLs http://www.ilo.org/public/english/protection/safework/cis/products/icsc/dtasht/_icsc09/icsc0926.htm
Nickel Oxide Hazards at ilo.org
Oxides NiO - Nickel Oxide
Typecodes Colorant
Metallic based materials that impart fired color to glazes and bodies.
Typecodes Generic Material
Generic materials are those with no brand name. Normally they are theoretical, the chemistry portrays what a specimen would be if it had no contamination. Generic materials are helpful in educational situations where students need to study material theory (later they graduate to dealing with real world materials). They are also helpful where the chemistry of an actual material is not known. Often the accuracy of calculations is sufficient using generic materials.
Hazards Nickel Compounds Toxicity
Materials Nickel Oxide Green
Materials Nickel Carbonate
Glossary Metal Oxides
Metal oxide powders are used in ceramics to produce color. But a life time is not enough to study the complexities of their use and potential in glazes, engobes, bodies and enamels.

Data

Frit Softening Point1990C M
Density (Specific Gravity)4.80
Surface Area (m2/gm)60-80 m2/g

By Tony Hansen


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