from The Century Dictionary.
- By means of a gravimeter; as regards measurement by weight.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adverb chemistry Using a
- adverb geology Using a
Sorry, no etymologies found.
Transkei as a whole had never been mapped magnetically, radiometrically or gravimetrically, he said in written reply to a question from Mr Geoffrey Doidge (ANC).
With a view to being able to detect and determine even the minutest; trace of any precipitate suspended in a fluid, Richards, by adopting and adapting an earlier idea, has constructed his well-known nephelometer, which, by the use of reflected light, allows of a reliable quantitative assessment being made of "opalizing" quantities of substance so small that they could be determined gravimetrically only with the utmost difficulty, if indeed at all.
The method may be also carried out gravimetrically, in which case petroleum ether, boiling at 74° C. is used for washing out the beaker into the separator.
_Aluminates_ are determined gravimetrically in the usual manner; 2 grammes are dissolved in water, rendered acid with HCl, excess of ammonia added, and the gelatinous precipitate of aluminium hydrate collected on a filter paper, washed, burnt, and weighed.
_Actual Chloride_, either titrated with N/10 silver nitrate solution, using neutral potassium chromate solution as indicator, or, preferably, estimated gravimetrically as silver chloride by precipitation with silver nitrate solution, the precipitate transferred to a tared filter paper, washed, dried and weighed.
It remains a fact, however, that no matter with what skill and care the gasometric analysis is made, either gravimetrically or volumetrically, the calculation of the residual amount of oxygen presents the same difficulties in both cases.
There is no dry assay for this substance, nor volumetric method; when the determination is required, it is carried out gravimetrically and, generally, by the following plan.
All assays for it are made either gravimetrically or volumetrically.
Cobalt is also gravimetrically determined, like nickel, by electrolysis, or by precipitation with sodic hydrate.
Turn out the mass and extract it with water and bromine, filter, acidulate with hydrochloric acid, boil off the bromine, and precipitate with baric chloride (estimating gravimetrically as given under _Sulphur_).