Gravimetric Sentence Examples
These methods have been purely chemical (either gravimetric or volumetric), physical (determinations of the density of nitrogen, nitric oxide, &c.) or physicochemical.
For screening surveys at Stage II, gravimetric samplers or portable monitors can be used.
His terminology was vague and provoked caustic criticism from Berzelius; he assumed that all molecules contained two atoms, and consequently the atomic weights deduced from vapour density determinations of sulphur, mercury, arsenic, and phosphorus were quite different from those established by gravimetric and other methods.
Volhard, and these methods rank side by side in value with the older and more tedious gravimetric methods.
Standard solutions are prepared by weighing out the exact amount of the pure substance and dissolving it in water, or by forming a solution of approximate normality, determining its exact strength by gravimetric or other means, and then correcting it for any divergence.Advertisement
Guye has given a critical discussion of the relative accuracy of the gravimetric and physico-chemical methods, and favours the latter, giving for the atomic weight a value less than 14.01.
The higher level of accuracy is achievable on existing Maguire gravimetric blenders through a controller chip change.
A gravimetric batch blender from TSM Control Systems is being promoted for its ability to blend in flaked regrind.
The formulation of the atomic theory by John Dalton gave a fresh impetus to the development of quantitative analysis; and the determination of combining or equivalent weights by Berzelius led to the perfecting of the methods of gravimetric analysis.
Volumetric analysis, possessing as it does many advantages over the gravimetric methods, has of late years been extensively developed.Advertisement
The most accurate method for the determination of lead in ores is the gravimetric method, in which it is weighed as lead sulphate after the various impurities have been separated.