- 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.
Direct microscopic observation and measurement of the velocity of migration of ions or other charged bodies through a solution toward oppositely charged electrodes. Also known as optical cytopherometry.
Industry:Chemistry
An instrument used to determine the concentration of a solution by comparing the intensity of color with a series of standard colors.
Industry:Chemistry
Technique for the study of surfaces of solids by monochromatic- radiation (such as x-ray) contrast effects shown via projection or enlargement of a contact radiograph.
Industry:Chemistry
A solution of known concentration and composition used for analytical titrations. Also known as standard solution.
Industry:Chemistry
Color-change indicator for acid-base titration end points in which a mixture of two indicator substances is used to give sharper end-point color changes.
Industry:Chemistry
1. In liquid chromatography, the phase that is moving in the bed, including the fraction of the sample held by this phase. 2. The carrier gas in a gas chromatography procedure.
Industry:Chemistry
That range of values within which it has been calculated that a specified percentage of individual values of measurements will lie with a stated confidence level.
Industry:Chemistry
A sample comprising two or more increments selected to represent the material being analyzed.
Industry:Chemistry
In boiling-point determination, the temperature established on the bulb of a thermometer on which a thin moving film of liquid coexists with vapor from which the liquid has condensed, the vapor phase being replenished at the moment of measurement from a boiling-liquid phase.
Industry:Chemistry
Petroleum product test; it is the milligrams of potassium hydroxide required to neutralize the acid in 1 gram of oil; used as an indication of oil acidity.
Industry:Chemistry
