Volumetric sentence example

volumetric
  • It is very stable and is much used in volumetric analysis.
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  • Chlorimetry (1824), alkalimetry (1828), and the volumetric determination of silver and chlorine (1832) were worked out by Gay Lussac; but although the advantages of the method were patent, it received recognition very slowly.
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  • Quantitative methods are divided into four groups, which we now pass on to consider in the following sequence: (a) gravimetric, (0) volumetric, (7) electrolytic, (5) colorimetric.
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  • Volumetric methods are used, but the uncertainty of the end of the reaction has led to the suggestion of special indicators, or of determining the amount of cuprous oxide gravimetrically.
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  • Volumetric methods have also been devised.
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  • Iodine has extensive applications in volumetric analysis, being used more especially for the determination of copper.
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  • In one of them, read in 1814, he explains the principles of volumetric analysis, in which he was one of the earliest workers.
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  • The "dry" or fire assay for lead is largely used for the valuation of lead ores, although it is being gradually replaced by volumetric methods.
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  • There are several volumetric methods for assaying lead ores, but the best known is that based on the precipitation of lead by ammonium molybdate in an acetic acid solution.
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  • The most modern and the most generally accepted method is volumetric, and is based on the reaction between zinc chloride and potassium ferrocyanide, by which insoluble zinc ferrocyanide and soluble potassium chloride are formed; the presence of the slightest excess of potassium ferrocyanide is shown by a brownish tint being imparted by the solution to a drop of uranium nitrate.
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  • The fire assay for copper ores was abandoned years ago and the electrolytic method took its place; this in turn is now largely replaced by volumetric methods.
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  • Volumetric methods are more expeditious and require less apparatus.
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  • The methods used in the assay for iron are volumetric, and are all based on the property possessed by certain reagents of oxidizing iron from the ferrous to the ferric state.
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  • In general, volumetric methods are used, i.e.
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  • There were no significant differences in cortical volumetric bone mineral density (vBMD) at the radius or tibia diaphysis between the groups.
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  • Use of volumetric glassware for solvents other than water should not rely on the water calibration.
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  • This includes two constant pressure thermogravimetric analysers, and a volumetric PCT system to measure the uptake and sorption kinetics of hydrogen storage materials.
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  • From the resulting overall volumetric heat transfer coefficients the total volume curve for 2, 3 and 4-6 stream units.
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  • The bulk modulus K ' relates the change in stress to the volumetric strain.
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  • More airflow = More horsepower Volumetric efficiency of well over 100% can be achieved.
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  • Separate mix lubrication is provided by a variable delivery volumetric pump.
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  • In quantitative analysis the methods can be subdivided into: (a) gravimetric, in which the constituent is precipitated either as a definite insoluble compound by the addition of certain reagents, or electrolytically, by the passage of an electric current; (b) volumetric, in which the volume of a reagent of a known strength which produces a certain definite reaction is measured; (c) colorimetric, in which the solution has a particular tint, which can be compared with solutions of known strengths.
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  • Volumetric analysis, possessing as it does many advantages over the gravimetric methods, has of late years been extensively developed.
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  • These methods have been purely chemical (either gravimetric or volumetric), physical (determinations of the density of nitrogen, nitric oxide, &c.) or physicochemical.
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  • Arsenic can also be estimated by volumetric methods; for this purpose it must be in the arsenious condition, and the method of estimation consists in converting it into the arsenic condition by means of a standard solution of iodine, in the presence of a cold saturated solution of sodium bicarbonate.
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