reagent

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reagent

a substance for use in a chemical reaction, esp for use in chemical synthesis and analysis

reagent

[rē′ā·jənt]
(analytical chemistry)
A substance, chemical, or solution used in the laboratory to detect, measure, or otherwise examine other substances, chemicals, or solutions; grades include ACS (American Chemical Society standards), reagent (for analytical reagents), CP (chemically pure), USP (U.S. Pharmacopeia standards), NF (National Formulary standards), and purified, technical (for industrial use).
(chemistry)
The compound that supplies the molecule, ion, or free radical which is arbitrarily considered as the attacking species in a chemical reaction.
References in periodicals archive ?
Due to nonlinearity of the amplifier, the relative composition of the mixture as obtained from direct integration of specific educt and product signals, hence univariate analysis, was plotted against reaction time (Figure 5).
Within Raman spectra, the bands at 1740 and 1700 [cm.sup.-1] were used for educt and product monitoring, respectively.
Educt feed, reaction temperature, and flow rate should be optimized for best yields.
The computed data fits correspond to first-order reaction A [right arrow] B (orange and blue lines), and the points are extracted data for product (red) and educt (blue).
In MCRs of type I the educts, intermediate products, and final products equilibrate, whereas in type II the last steps of forming the products proceed irreversibly.
Higher MCRs [20, 21, 28] of up to nine educts [29] that are unions ** of the U-4CR with further reactions were introduced in 1993.
At the Bayer AG Lockhoff [31, 32] prepared a new potentially useful product of the U-4CR with four different carbohydrate derivatives as educts. In the Merck corporation a new HIV protease inhibitor [Crixivan.sup.R] was initially developed by a synthesis of roughly 20 steps, but since recently this product can more efficiently be prepared by including an U-4CR and a few further steps [33].
Up to (100).sup.2] = 10 000 constitutionally different products can be prepared from two types of components where each of them contains 100 different educts, whereas (100)2 = 100 000 000 different U-4CR products can be prepared from 100 educts of its four different types.