Marking ink

Nickel fluoride is used in marking ink compositions (see Inks), for fluorescent lamps (4) as a catalyst in transhalogenation of fluoroolefins (5), in the manufacture of varistors (6), as a catalyst for hydrofluorination (7), in the synthesis of XeF (8), and in the preparation of high purity elemental fluorine for research (9) and for chemical lasers (qv) (10). 

Signier-farbe, /. marking color, marking ink. -tinte, /. marking ink. 

Raw materials used by the plant include coil and sheet metal stock, solvent-based marking ink, and protective plastic end caps. The two major operations in this plant, pipe and fitting formation and acid pickling, are described in this section. 

A mixture of the components in gum arabic solution (marking ink) exploded when warmed. 

Etteldorf, J.N. 1951. Methylene blue in the treatment of methemoglobinemia in premature infants caused by marking ink. J. Pediat. 38 24-27. 

Ramsay, D.H.E., and C.C.Harvey. 1959. Marking-ink poisoning An outbreak of methaemoglobin cyanosis in newborn babies. Lancet 1 910-912. 

Marking Ink.—The fluids for writing on linen now, known are widely different from those in vogue even... 

Marking inks are of two kinds the first of these is applied with the pou, the second with types. 

The modern marking inks do not require tho pouncing of the lioen previous to its being written upon bnt instead, a hot iron is passed over the marks, or the cloth is held near the fire, till the color has been properly developed. 

Redwood gives the following as the requisite properties of marking ink —... 

Many marking inks, although black when first applied to the linen, become gradually washed cut, and a yellowish stain only remains. Jules G-uileee has given three recipes for marking ink, which he believes to be free from these and some other prevalent evils. They are as under —... 

The large quantity of ammonia in this ink, says Gtjillek, is accounted for by the presence of the cupreous salt. The latter might be replaced by nitrate of silver, hut a much larger amount of this would he required to render the ink as dork as it is with the sulphate of copper. Whilst other marking inks have a dork-brown color, this iuk possesses a rich blue. The proportions of the ingredients in these inks can be altered according to the consistency required, the uses to which they are to be applied, or the description and quality of the textile fabric on which they will he deposited. 

Redwood s ink, which answers all the conditions— given above—that a marking ink ought to possess, is prepared in the following manner —... 

A purple-red marking ink consists of a solution of one drachm of bichloride of platinum in two ounces of distilled water. Before writing with it, preporo the... 

Several recipes for indelible or marking inks, formed with nitrate of silver, are given in Vol. II., page 381. 

Silver nitrate (lunar caustic) is a white crystalline salt, used in marking inks, medicine and chemical analysis. How many kilograms of silver nitrate (AgNQ ) are there in ... 

Use (As extract) coloring margarine, sausage casings, etc. food-product marking inks. For details, see regulations of Meat Inspection Division, USDA and FDA regulations. 

FD C color. A series of colorants permitted in food products, marking inks, etc., certified by the FDA. Among the more important are the following Blue No. 1 disodium salt of 4-((4-(A-ethyl-p-sulfo-benzylamino)-phenyl)-(2-sulfoniumphenyl)-meth-ylene)-( 1 -(IV-ethyl-M-p-sulfobenzyl)-A2 5-cyclohex-... 

Special marking inks are available for porcelain surfaces. The marking is baked permanently into the glaze by heating at a high temperature. A saturated solution of iron(III) chloride, although not as satisfactory as the commercial preparation, can also be used for marking. 

MacMath IF, Apley J. 1954. Cyanosis from absorption of marking-ink in newborn babies. Lancet 2 895-896. 

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