Chemistry articles
16 articles on Chemistry by Nafeesa Sajjad, Nafeesa Sajjad | M.Phil. Chemist in Analytical and Inorganic Chemistry.
Chemistry · 9 min
OBJECTIVE To determine the concentrations of two acids through acid-base titration. OVERVIEW An acid-base titration is a method used to quantitatively determine the concentration of an unknown acid...
Chemistry · 4 min
Determinate Errors: These Are Systematic Two main categories of errors can influence the accuracy or precision of a measured quantity.
Chemistry · 4 min
To lessen the uncertainty in their measurements, scientists typically take repeated observations of a given measurement (known as replicate measurements, or replicates).
Chemistry · 8 min
Your buret probably has a Teflon stopcock, which does not require lubrication. Make sure it is tight enough to prevent leakage, but not so tight that it is hard to rotate.
Chemistry · 4 min
Your instructor will explain how your specific balance is operated. The primary goals are to keep all parts free from dust and corrosion, prevent contamination or any alteration in load (whether of...
Chemistry · 12 min
Although accurate volume measurements of solutions can be avoided in gravimetric methods of analysis, they are required for almost any other type of analysis involving solutions.
Chemistry · 4 min
Affinity Chromatography Affinity chromatography is a liquid chromatography method that separates molecules through a reversible, biologically specific interaction between a compound in the mobile...
Chemistry · 5 min
Overview TLC separates the components of a mixture on a thin layer of adsorbent material coated onto an inert support such as glass, plastic, or aluminum.
Chemistry · 8 min
High-performance liquid chromatography (HPLC) is a laboratory technique used to separate and analyze the individual components of a liquid mixture.
Chemistry · 8 min
Gas chromatography (GC) is an analytical method used to separate, identify, and measure the individual substances that make up a mixture.
Chemistry · 4 min
Chromatography stands among the most widely used and adaptable analytical methods in today's laboratories. At its core, it is a separation process that breaks down complex mixtures into their...
Chemistry · 6 min
Electrochemical reactions de carried out in gadgets called electrochemical cells, which couple the oxidation-reduction reactions to external electrical circuits.
Chemistry · 5 min
Tendency of Atoms to Attract Electrons each of the atoms to attract electrons from the other. A positively charged ion The type of bond formed between a pair of atoms is decided by using the...
Chemistry · 3 min
In chemistry, a solution is described by the IUPAC as "a liquid or solid phase that contains more than one substance, where one (or more) substance, which is referred to as the solvent, is treated...
Chemistry · 5 min
Sampling Sampling is the process of getting a sample that represents the whole Sampling is a very important step in testing because the results depend on how well the sample represents the whole.
Chemistry · 3 min
Analytical chemistry is the area of chemistry that focuses on the qualitative and quantitative analysis of substances (analytes) found in the sample.