The Techno-chemical Receipt Book: Containing Several Thousand Receipts, Covering the Latest, Most Important and Most Useful Discoveries in Chemical Technology, and Their Practical Application in the Arts and the Industries. Ed. Chiefly from the German Od Drs. Winckler, Elsner, Heintze [et Al.] |
From inside the book
Results 1-5 of 90
Page 2
... become entirely cold ( this is absolutely neces- sary ) ; and add a few drops of iodine solution . The vinegar , in ... becomes discolored , or as- sumes a yellowish color , if adulterated . c . Tartaric Acid . A specimen of the vinegar ...
... become entirely cold ( this is absolutely neces- sary ) ; and add a few drops of iodine solution . The vinegar , in ... becomes discolored , or as- sumes a yellowish color , if adulterated . c . Tartaric Acid . A specimen of the vinegar ...
Page 3
... becomes selves become yellow or brown after transparent . The test - glass is then al- boiling . This test shows the presence lowed to stand quietly for some time . or absence of Brazil - wood , archil , saf- Genuine butter will give a ...
... becomes selves become yellow or brown after transparent . The test - glass is then al- boiling . This test shows the presence lowed to stand quietly for some time . or absence of Brazil - wood , archil , saf- Genuine butter will give a ...
Page 5
... become cold , add 10 parts of zinc and two - fifths parts of aluminium , fuse the mass and allow it to cool ; then ... becomes soft between 122 ° and 140 ° F. , and en- tirely liquid at 140 ° F .; while Wood found that the mixture most ...
... become cold , add 10 parts of zinc and two - fifths parts of aluminium , fuse the mass and allow it to cool ; then ... becomes soft between 122 ° and 140 ° F. , and en- tirely liquid at 140 ° F .; while Wood found that the mixture most ...
Page 7
... becomes coated with a black patina , capable of being polished . It consists of 70 to 73 per cent . of copper , 2 to 11 of tin , 15 to 20 of lead , 0.5 to 1 of zinc . Chinese and Japanese Bronzes . Some bronzes exhibited at the last ...
... becomes coated with a black patina , capable of being polished . It consists of 70 to 73 per cent . of copper , 2 to 11 of tin , 15 to 20 of lead , 0.5 to 1 of zinc . Chinese and Japanese Bronzes . Some bronzes exhibited at the last ...
Page 9
... becomes refractory , to prevent which borax is added . The following requisites will be neces- sary for mixing a good flux : 1. Pure silica . It is best to use for this finely- powdered rock crystal . 2. Pure potash or soda . 3. Borax ...
... becomes refractory , to prevent which borax is added . The following requisites will be neces- sary for mixing a good flux : 1. Pure silica . It is best to use for this finely- powdered rock crystal . 2. Pure potash or soda . 3. Borax ...
Contents
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Common terms and phrases
acetate added alcohol allowed alum ammonia bath bleaching blue boiler boiling borax Brazil wood brush caoutchouc carbonate cement cent chalk chloride cleansed coat cold color compound cool copal copper decoction diluted dipped dissolved distilled drachms dried filter fluid fluid ounces gall-nuts gallons of water gelatine glass glue glycerine green heat hydrochloric acid lacquer lampblack leather lime linseed oil liquor logwood mass melted metal minium mixture moistened moulds nitrate nitric acid obtained oil of turpentine ounces oxide paper pint plate potash potassium pounds of sugar poured powder prepared pressed pulverized pyrolusite quantity rectified spirit rinsed rosin rubbed sal-ammoniac salt saltpetre sand shellac silver soap soda sodium solu solution spirit of wine stirring strain substances sulphate of iron sulphuric acid surface syrup tartar temperature tion varnish vessel vinegar warm washed water-glass wood yellow zinc
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