Protosulphate

Word PROTOSULPHATE
Character 13
Hyphenation N/A
Pronunciations N/A

Definitions and meanings of "Protosulphate"

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Synonyms and Antonyms for Protosulphate

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The word "protosulphate" in example sentences

The finest blue is furnished by sesquinitrate of iron, but the salt almost exclusively employed is the protosulphate, the freedom of which from copper is essential to the colour of the blue. ❋ George Field (N/A)

The quantities are in each case calculated for one ounce, three parts of each of the following solutions being employed and added to one part of solution of protosulphate of iron. ❋ Various (N/A)

After printing, wash the prints in running water for twenty to thirty minutes, then float them face down on a weak solution (five to ten per cent.) of protosulphate of iron for five minutes, and wash as before. ❋ Various (N/A)

Bichromate prints can be made on albumenized paper by floating it on the solution, and by using a saturated solution of protosulphate of iron and a saturated solution of gallic acid. ❋ Various (N/A)

The _oxygen_ of the air, on the other hand, is highly paramagnetic, being, bulk for bulk, equivalent to a solution of protosulphate of iron, containing of the crystallised salt seventeen times the weight of the oxygen. ❋ Various (1909)

As an illustration, I shall take a well-known substance, common green copperas, or, as the chemists term it, protosulphate of iron. ❋ Charles Alexander Cameron (1875)

It is this: 1½ drachms of protosulphate of iron in five ounces of water, 1 drachm of nitrate of lead, letting it settle for some hours; pour off the clear liquid, and then add to it 2 drachms of acetic acid. ❋ Various (1852)

MR. SISSON's developing fluid for collodion positives, the formula for which was published in the last Number of "N. & Q.," is merely a weak solution of the protonitrate and protosulphate of iron. ❋ Various (1852)

Dissolve the protosulphate of iron in the water; then throw in the nitrate of lead in powder; stir with glass rod until it is dissolved; keep stirring while pouring in the acetic acid, and for a few minutes afterwards. ❋ Various (1852)

Our observations respecting blowing on the glass apply equally when the protosulphate is used. ❋ Various (1852)

DIAMOND's formula, does _not_ require any acetic acid, and flows quite readily; but the protosulphate solution requires a bath, and the same solution may be used over and over again. ❋ Various (1852)

I have found the protonitrate of iron, as also the protosulphate, and not seldom the pyrogallic, so difficult of application, that I have stained and spoiled very good pictures. ❋ Various (1852)

CASTILE SOAP, as imported from Spain, is a similar combination, but is colored by protosulphate of iron. ❋ George William Septimus Piesse (1851)

It consists merely of one ounce of fine Chinese vermilion and one drachm of protosulphate of iron, well triturated with boiled oil varnish. " ❋ Unknown (1904)

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