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Updated by Stacey D on Jun 04, 2017
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Find Out About Laboratory Reagents

Discover how laboratory reagents are used, a list of laboratory reagents, and what makes them important in industries such as biology and chemistry.

List of reagents

Reagents are "substances or compounds that are added to a system in order to bring about a chemical reaction or are added to see if a reaction occurs."[1] Some reagents are just a single element. However, most processes require reagents made of chemical compounds. Some of the most common ones are listed below.

Reagent

A reagent /riˈeɪdʒənt/ is a substance or compound added to a system to cause a chemical reaction, or added to test if a reaction occurs.[1] The terms reactant and reagent are often used interchangeably—however, a reactant is more specifically a substance consumed in the course of a chemical reaction.[1] Solvents, though involved in the reaction, are usually not called reactants. Similarly, catalysts are not consumed by the reaction, so they are not reactants. In biochemistry, especially in connection with enzyme-catalyzed reactions, the reactants are commonly called substrates.

What is the difference between a limiting reactant and an excess reactant? | Socratic

Excess reactant is not finished even when reaction ends whereas limiting reactant is one that is finished when reaction ends as name shows limiting reactant is reason reaction ends. Limiting reactant produces least moles of product whereas amount produced by excess reactant is never formed

Laboratory Reagents

Seidler Chemical stocks, supplies and delivers hundreds of high purity chemicals and lab & bio reagents for use in every market and industry.

Definition of REAGENT

Define reagent: chemistry : a substance that is used to test for the presence of another substance by causing a chemical reaction with it

What do the different grades of chemicals mean?

When purchasing chemicals from Sigma, Fisher, or wherever, there are often -grade's attached to their description like reagent-grade, technical-grade, analytical-grade, or more niche-sounding biotech-grade, HPLC-grade, DNA grade (DNase free perhaps?)