Wet pack method is used to prepare the column. The chromatography column is made with plastic tip with frit, the one-way stopcock, and the plastic funnel. The column is filled with enough alumina to get the required height.
Ash values are helpful to determine the quality as well as purity of a crude drug, especially when the drug is present in powdered form. The object of ashing crude drugs is to remove the traces of organic matter which may be interferes in an analytical determination.
[ps2id id=’background’ target=”/] BACKGROUND Unorganized drugs, as the name suggests, …
Using stage micrometer calibrate the eyepiece micrometer. Calculate the factor (average distance between two lines in microns).
Stoma (plural-stomata) is a minute epidermal opening covered by two kidney shaped guard cells in dicot leaves. These guard cells, in turn, are surrounded
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