- 行业: Printing & publishing
- Number of terms: 178089
- Number of blossaries: 0
- Company Profile:
McGraw Hill Financial, Inc. is an American publicly traded corporation headquartered in Rockefeller Center in New York City. Its primary areas of business are financial, publishing, and business services.
A conductimetric titration in which two electrodes are mounted on the outside of the beaker or vessel containing the solution to be analyzed and an alternating current source in the megahertz range is used to measure the course of a titration.
Industry:Chemistry
A cause for variability in a measurement process that occurs randomly and unpredictably and for unknown reasons.
Industry:Chemistry
Particle-size measurement in a dilute solution, with fine particles passed through a small zone (opening) so that individual particles may be observed and measured by electrolytic, photic, or sonic methods.
Industry:Chemistry
A type of column chromatography in which the solvent is conveyed through the column under pressure. Abbreviated HPLC.
Industry:Chemistry
In chromatography, furrows or breaks in an ion-exchange bed which permit a solution to run through without having contact with active groups elsewhere in the bed.
Industry:Chemistry
A group of results of repeated analyses completed by using a single analytical method on samples of a homogeneous substance.
Industry:Chemistry
Paper chromatography in which the chromatogram is horizontal instead of vertical.
Industry:Chemistry
In physical calibration, an artifact that is measured at specified intervals.
Industry:Chemistry
A test for aldehydes in which aldehydes form a crystalline salt upon addition of a 40% aqueous solution of sodium bisulfite.
Industry:Chemistry
Collection of a liquid sample for laboratory or other analysis by immersing a container in the liquid and filling it.
Industry:Chemistry
