A Text-book of Assaying: For the Use of Those Connected with Mines |
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Page x
... Standard solutions ( b ) Standardising ( c ) Methods of working ( d ) Indirect titration Colorimetric assays . Gasometric assays CHAPTER V. WEIGHING AND MEASURING . Weighing . Measuring liquids ( a ) Graduated flasks ( b ) Pipettes ( c ) ...
... Standard solutions ( b ) Standardising ( c ) Methods of working ( d ) Indirect titration Colorimetric assays . Gasometric assays CHAPTER V. WEIGHING AND MEASURING . Weighing . Measuring liquids ( a ) Graduated flasks ( b ) Pipettes ( c ) ...
Page 36
... standard solution is " standardising . " The 66 standard " is the quantity of metal equivalent to 100 c.c. of the standard solution . Standard Solutions . - In making these the salt is accurately weighed and transferred to a litre flask ...
... standard solution is " standardising . " The 66 standard " is the quantity of metal equivalent to 100 c.c. of the standard solution . Standard Solutions . - In making these the salt is accurately weighed and transferred to a litre flask ...
Page 37
... Standard solutions should not be kept in a place exposed to direct sunlight . Oxidising and reducing solutions , such as those of permanganate of potash , ferrous sulphate , iodine , hyposulphite of soda , & c . , gradually weaken in ...
... Standard solutions should not be kept in a place exposed to direct sunlight . Oxidising and reducing solutions , such as those of permanganate of potash , ferrous sulphate , iodine , hyposulphite of soda , & c . , gradually weaken in ...
Page 38
... standard by the number of c.c. used and divide by the weight of substance taken . For example : if 2 grams of a mineral were taken , and if on titrating with the permanganate solution ( standard 1.008 ) 60.4 c.c. were required , then ...
... standard by the number of c.c. used and divide by the weight of substance taken . For example : if 2 grams of a mineral were taken , and if on titrating with the permanganate solution ( standard 1.008 ) 60.4 c.c. were required , then ...
Page 39
... standards will vary more or less , according to the delicacy of the process , but there will be no apparent order in the variation . The average of the standards should then be taken . Weight . Volume found . Standard . 0.2160 gram 72.9 ...
... standards will vary more or less , according to the delicacy of the process , but there will be no apparent order in the variation . The average of the standards should then be taken . Weight . Volume found . Standard . 0.2160 gram 72.9 ...
Other editions - View all
A Text Book of Assaying: For the Use of Those Connected with Mines Cornelius Beringer,John Jacob Beringer No preview available - 2016 |
A Text-Book of Assaying for the Use of Those Connected with Mines Cornelius Beringer,John Jacob Beringer No preview available - 2015 |
TEXT-BK OF ASSAYING FOR THE US Cornelius Beringer,John Jacob 1857-1915 Beringer No preview available - 2016 |
Common terms and phrases
20 grams acetic acid acid solution added alkaline alloy alumina ammonia ammonium antimony aqua regia arsenic baric chloride beaker bismuth boiling borax bulk c.c. of dilute c.c. of hydrochloric c.c. of nitric c.c. of water calculated carbonate cent chromate colour containing copper crucible cupel determined dilute ammonia dilute hydrochloric acid dioxide dish dissolved dried Effect of Varying excess ferric chloride ferric oxide ferrous filter filtrate flask fused fusion gives gold gram of copper grams grams of lead GRAVIMETRIC heat hydrate hydrochloric acid hydrogen ignited insoluble iodide iodine iron lime liquid litre magnesia manganese metal method milligrams mineral mixed multiplied nickel nitre nitric acid oxidising oxygen percentage permanganate phosphate phosphorus platinum potash potassium powdered precipitate present quantity residue salts sample separated silica silver slag soda sodic sodium acetate soluble standard solution substance sulphate sulphide sulphuric acid temperature titration tube uranium VOLUMETRIC washed weighed zinc
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