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What is Sampling in research and sampling methods in research?

Sampling-representation

SAMPLING:  Sampling method is the act , process , or technique of selecting a suitable sample ,or a representative Part of population for the purpose of determining Parameter or characteristics of the whole population. Sample-ing is most important…

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Chromatography and classification of chromatographic methods?

What-is-chromatography-and-its-classification-representation

Chromatography: Chromatography is a analytical technique that is widely used for separation, Isolation and identification compounds. Such as organic substance like amino acids, Sugar, vitamins and plants pigments etc. This technique was introduce by M. Tswett. M. Twett…

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What is the principle of solvent extraction and factors affecting on it?

solvent-extraction-appratus-separatory-funnels

Solvent Extraction: introduction: The separation technique in which a solution (usually aqueous) is brought in contact with a second solvent (usually organic) immiscible with the first in order to bring about a transfer of the solute into the…

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What is conductometry and application of conductometry

Conductometry-representation

Conductometry: The measurement of the electrical conductivity of a solution is known as the conductometry. Conductance The current flow through the conductor is called conductance.In others words it is defined as the reciprocal of the resistance. The unit…

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Six Sigma Concept ISO Standard in analytical chemistry

Six-sigma-concept-iso-standard-representation

SIX SIGMA CONCEPT: To achieve Six Sigma, a process must not produce more than 3.4 defects per million opportunities.   Six Sigma DMAIC process:   The Six Sigma DMAIC process (define, measure, analyze, improve, control) is an improvement…

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What is Filtration,apparatus for filtration and Ignition Of Solids.

Filtering Crucibles,chemistryfunda

 Filtration and Ignition Of Solids Filtration is a process in which we separate the substance on the bases of their different physical and chemical properties or qualities. Several techniques and experimental arrangements allow solids to be filtered and…

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What is sampling and preparation of sample process in analytical chemistry

choice of sample (sampling)

Sampling: Sampling is most important in a chemical analysis.Chemical analysis use only a small fraction of the available sample.The fraction of soil is collected for analysis must be representative of the bulk material.          …

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What is weighing and General rules for Weighing in analytical chemistry

general rules for weighing and apparatus

GENERAL RULES FOR WEIGHING  The specific operation of your particular balance will be explained by your instructor. The main objectives are to protect all pans from dust and corrosion, avoid contamination or change in load (of sample or…

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TYPES OF WEIGHING-WHAT ACCURACY DO YOU NEED?

types-of-weighing-instruments

TYPES OF WEIGHING-WHAT ACCURACY DO YOU NEED? TYPES OF WEIGHING There are two types of weighing done in analytical chemistry, rough or accurate. Rough weighing to two or three significant figures are normally used when the amount of substance…

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What are pipettes,types and function of pipette in laboratory

pipets that use in laboratory

PIPETS The pipets are used to transfer a particular volume of solution. As such, it is often used to deliver a certain fraction (aliquot) of a solution. To ascertain the fraction ,the original volume of solution from which…

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