Basics of Toxicology
... Nickel sulfate - NiSO -TLV - 0.1 mg / m3 -NFPA : 1H , OF , OR 4 Nickel carbonyl – Ni ( CO ) 4 -TLV = 0.12 mg / m3 -NFPA : 4H , 3F , 3R Nickel is an important component of a variety of products because of its hardness and resistance ...
Metal Toxicity and Tolerance in Plants and Animals
... nickel , and copper - nickel alloys , which generally contain about 10 percent nickel . Their uses include marine equipment and inorganic acid and alkali handling equipment . Nickel - chromium alloys , containing 40 to 70 percent ...
Eisler's Encyclopedia of Environmentally Hazardous Priority Chemicals
... nickel- induced hypersensitivity and skin disorders. Absorption of nickel sulfate from the skin is reported for guinea pigs, rabbits, rats, and humans. Nickel ions in contact with the skin surface diffuse through the epidermis and com ...
Bulletin of the American Institute of Mining and Metallurgical Engineers
... nickel ....... Orford nickel . ........... Orford nickel . ........... Electrolytic nickel . ...... Nickel shot .. ....... Nickel shot .. Mond nickel . Metallic nickel . Mond nickel . .. Mond nickel . ........... ..... ........ ..
Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge
... nickel are few in number : - Sulphuret of Nickel . Capillary Nickel . This occurs in regular hexagonal capillary crystals . Primary form a rhom- boid ; colour brass - yellow or greyish ; lustre metallic ; hardness , scratches mica , and ...
IRON AND STEEL
... nickel steels with comparatively small percentages of nickel have the normal pearlitic structure , and the ductile alloys with high percentages of nickel , and also useful for certain purposes , show a simple austenitic structure ...
Transactions
Metallurgical Society of AIME. nickel - matte , metallic nickel in grains and cubes , and manufactured nickel , both cast and wrought ; nickel magnets and magnetic needles , cast cobalt , electro - plating with nickel and cobalt ...
Railway and Engineering Review
... Nickel- chromium steels can be made somewhat more cheaply than simple nickel steel of the same strength and ductility con- taining a smaller total of the alloying elements , and chro- mium is less costly than nickel . Composition and ...
The Encyclopaedia Britannica
... nickel carbonyl so formed being received in a chamber heated to 180-200 ° C. , where it decomposes , the nickel being deposited and the carbon monoxide returned to the volatilizer . For an electro- lytic method of treating mattes , see ...
Chambers' Encyclopædia
... Nickel ( sym . Ni ; atom . wt . 58.6 ; sp . gr . 8.3 to 8 : 7 ) . This metal was discovered by Cronsted in 1751 ; but long before he isolated the metal , alloys of it obtained from ore were used by the Chinese . Within living memory it ...
Chemical Age
... Nickel Depositing Solutions efaling By E. A. Ollard , A.R.C.Sc. , A.I.C. The paper published below was read a short time ago by Mr. E. A. Ollard , research chemist to Metropolitan - Vickers Electrical Co. , Manchester , before a meeting ...
House Documents
... nickel and 0.1 per cent to 1 per cent carbon . The elongation and contraction increased with increase in carbon , and the metal did not become brittle . 5. Nickel chromium - iron alloys , with 2.5 per cent nickel and 0.25 per cent to ...
Metal Finishing
::: Nickel and the Metal Industries Development of the Use of Nickel in the Plating Shop , Brass Foundry and General Industry Abstracted from a Paper on The Nickel Industry , Read at the Annual General Meeting of the Canadian Institute ...
Handbook on Metals in Clinical and Analytical Chemistry
... nickel metal and its alloys , and 2+ , as in most inorganic compounds . Several divalent nickel compounds are commercially and environmentally significant . Nickel is a silvery white and lustrous metal . It is resistant to atmospheric ...
Iron Trade Review
... nickel , cobalt , fluorspar and cryolite for 1901. It says of nickel and fluorspar : The two principal sources of nickel are the nickeliferous pyrrhotite , the most widely spread of the nickel ores , and genthite , especially the ...
Electrical Supply Year Book
... Nickel plated . $ 0.20 360712 4832 Nickel plated . $ 0.06 360705 4823 Nickel plated .. .18 360713 4833 Nickel plated . .06 360706 4822 Nickel plated .. .12 360714 4829 Nickel plated . .07 360707 4820 Nickel plated . .16 360715 4825 ...
Transactions
... Nickel is taken to France and treated in a Siemens- Martin furnace on a hearth of Nickel Oxide , where it is decarbonized , while Iron , Silicum and Manganese are slagged . During the process Nickel Oxide is added to remove the ...
Transactions
... nickel sulphate solutions containing boric acid . The microstructures of the deposits shown in Figs . 5 and 6 show a decrease in the grain size of the deposits corresponding to the increase in hardness . In neither case , however , is ...
The Mineral Industry
... nickel cast iron ; ferro - nickel alloys ; resistance wire ; invar and elinvar ; rustless steels ( chromium - nickel ) . In heat - resisting and electrical alloys : nichrome , chromel , calido , hardite , Q- alloys , calite , etc. In nickel ...