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Filter Paper
Filter Paper (Product Code: SLE/CH/87) is a semi-permeable paper barrier placed across the flow of a liquid or air to hold back fine particles while the fluid passes through. In science labs it is used mainly to remove solids from liquids — separating sand from water is the example most students meet first. As one of the everyday lab consumables in schools, colleges and testing labs, it is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, to customers in India and international markets.
Key Details
| Parameter | Detail |
|---|---|
| Type | Semi-permeable paper filter medium |
| Purpose | Separates fine substances from liquids or air |
| Main laboratory use | Removing solids from liquids, e.g. sand from water |
| Placement | Perpendicular to the liquid or air flow |
| Grade, diameter and pack size | Confirmed on enquiry |
Typical Use
For gravity filtration, fold a circle of filter paper in half and then in half again, open it into a cone with three layers on one side, and seat it in a glass funnel. Moisten it with a few drops of water so it clings to the funnel wall, then pour the mixture down a glass rod into the cone. The solid residue stays on the paper and the clear filtrate collects in the flask below. This is the core step in separation-of-mixtures practicals, in purifying rock salt, and in removing undissolved solid before a solution is evaporated to grow crystals.
Keep the liquid level below the top edge of the paper so nothing bypasses the filter, and avoid poking the wet paper, which tears easily. Where filtration is slow, a Buchner funnel with a filter pump speeds things up. Store packs flat in a dry cupboard so the paper does not absorb moisture or dust before use.
Supplier
This consumable is supplied by Jain Scientific Equipments Private Limited, which operates as ScienceLab from Ambala, Haryana, India, and equips educational and research laboratories with apparatus and consumables. See the company profile for more.
Related Chemistry Lab Equipment
Items that complete a filtration set-up:
- Glass Funnel — holds the folded filter paper cone
- Funnel Holder — keeps the funnel steady above the collecting vessel
- Stirring Rod, Glass — guides the mixture into the filter without splashing
- Conical Flask — collects the filtrate
- Buchner Funnel, 90 mm, Porcelain — for faster suction filtration of larger volumes
Find more consumables in Chemistry Lab Equipment.
Frequently Asked Questions
What sizes and grades are available?
Grade, diameter and pack size are not given in our current listing. Contact us with your application and funnel size and we will confirm suitable options.
Can filter paper be used for air as well as liquids?
Yes, it can hold back fine substances from air as well as from liquids, although classroom use is mostly liquid filtration.
Can it be reused?
Filter paper is normally used once and discarded, because residue stays trapped in the fibres.
Is it the same as chromatography paper?
No. For separating dyes and inks, use chromatography paper, which is made for that purpose.
How should packs be stored?
Flat, dry and dust-free, away from chemical fumes.
Do you supply schools in bulk?
Yes, we supply institutions and distributors across India and international markets; share the quantity and delivery location for a quotation.
Request a Quote
For Filter Paper pricing, contact us with your required size and quantity, or add it to your enquiry cart with funnels and flasks.
Last updated: 24 September 2026
