Filter Paper Qualitative

for best use in laboratory

12.5cm dia
Pack of 100 circles

Qualitative filter paper is used in qualitative analytical techniques to determine materials

Filter paper is a commonly used laboratory supply that is used for various applications, including:
Filtration: Filter paper is used to separate solid particles from liquids or gases. The filter paper is placed in a funnel or filter holder, and the liquid or gas is poured through it, trapping the solid particles on the paper.
Quantitative analysis: Filter paper is used in gravimetric analysis to determine the quantity of a particular substance in a solution. The substance is trapped on the filter paper and then weighed to calculate the quantity.
Chromatography: Filter paper is used as the stationary phase in paper chromatography, where a sample is placed on the paper and separated into its components as the solvent moves through the paper.
Moisture testing: Filter paper is used to test the moisture content of a substance by weighing it before and after drying it on the paper.
Electrochemical testing: Filter paper is used as a medium for electrochemical testing by soaking the paper in an electrolyte solution and using it as a bridge between two electrodes.
Sample collection: Filter paper is used for collecting samples from the air or water, where the sample can be absorbed onto the paper and then analyzed in the laboratory.
Overall, filter paper is a versatile laboratory supply that is essential for many laboratory processes and experiments.
Laboratory filter paper is a type of porous paper used in a variety of laboratory applications, including filtration, quantitative analysis, chromatography, moisture testing, and sample collection. Filter paper is made from cellulose fibers that are formed into a sheet or roll, and it comes in a range of pore sizes, thicknesses, and grades to suit different applications.
The selection of filter paper depends on the specific application requirements. For example, if a sample contains large particles, a filter paper with a larger pore size would be more suitable, while for samples with smaller particles, a paper with a smaller pore size would be needed. The thickness of the paper may also vary, with thicker papers being more durable and able to withstand greater pressure during filtration.
Filter paper can be used in conjunction with various filtration equipment such as filter funnels, filter holders, and syringe filters. It is important to select a filter paper that is compatible with the filtration equipment being used to ensure proper filtration and prevent any contamination.

Laboratory filter paper is available from a variety of suppliers and can be purchased in pre-cut circles, sheets, or rolls. When selecting filter paper, it is important to consider the intended application, pore size, thickness, and grade to ensure optimal results.

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