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1V1 Analysis of tungsten powder Determination of oxygen
FV4 Analysis of low per cent tungsten steels and slag con
VI12 Analysis of zirconiumaluminumnickeliron 194 to
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1.20 nitric acid acetate acidulated added alloy aluminum ammonia ammonium amount analysis annealing antimony arsenic beaker bismuth blank boiling burned c.c. beaker c.c. of cone c.c. of water calcium calculated casserole cent chloride chromium cinchonine cobalt color combustion conc contain cool copper crucible cyanide deducted determination dilute dissolved distilled water drillings drops ferricyanide ferro-vanadium ferrous filter paper filtrate and washings finish flask fumes furnace fused fusion gram gram of sample grams of sodium graphite HNOs hour hydrochloric acid hydrogen hydroxide ignited iron KMnO4 manganese metallic method minutes mixture molybdate molybdenum nickel nitric acid obtained oxalate oxide oxygen paper pulp percentage permanganate peroxide phosphate phosphorus pink platinum crucible potassium powder precipitate red heat redissolve remove rinse salts silica silicon sodium carbonate sodium peroxide solution stirring sulphate standard sulphide sulphuric acid titanium titration tube tungsten tungstic acid vanadium weighed yellow zinc zirconium