Creped, medium/slow filter paper resistant to weak acids and bases. Used as protective paper for filter press cloths and processing of cocoa butter and edible oils.
Whatman Uniflo Syringe Filters are disposable filter units designed to provide clean filtrate from small volumes up to 100 mL.
Yellow seed test paper for analyzing seeds with small white rootlets.
GE Healthcare Whatman Cyclopore polycarbonate membrane filters are true pore size microporous membranes featuring the sharp cut-off and reproducible lab microfiltration characteristics of track-etched membrane filters.
High-purity Whatman quartz thimbles from GE support accurate, reproducible emission testing by providing low extractable levels and temperature resistance up to 800 C.
Nuclepore track-etched hydrophilic membranes with highly defined pore size cutoff in the sub-micron range
Whatman Filter Paper grade GF/C glass filters offer fine particle retention, good flow rate, and loading capacity. GF/C filter papers support total suspended solids analysis.
Whatman Grade GF/A glass microfiber filters feature fine retention. GF/A filters are suitable for water quality parameter measurement and air filtration applications.
A standard grade filter used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
Whatman pH indicator and test papers are designed to meet your specific needs and combine ease of use with unsurpassed accuracy and consistency.
Whatman Grade 41 environmental pollution papers are among the fastest filter papers in the Whatman ashless range. This gravimetric filter is well suited for quantitative analysis of soil and air.
Pre-weighed and prewashed, this ready-to-use (RTU) Whatman Glass Microfiber Filter Papers are the time-saving version of GEs 934-AH glass microfiber filter papers. Use for total suspended solids analysis, dissolved solids, and volatiles.
Whatman Grade 54 filter paper has high wet strength and a larger nominal particle retention rating than comparable Buchner filtration papers, enabling fast vacuum filtration of coarse precipitates.
Whatman brand Grade GF/B is a thick filter with fine particle filter and good loading capacity. GF/B filters are particularly useful for liquid clarification and liquid scintillation counting.
Whatman Grade 44 quantitative paper is a thin version of Grade 42 ashless paper. The thinness reduces the overall ash content, making Grade 44 well suited for analyses relying on the ash-free dry weight.
A very thick filter card with high wet strength. Offers very high flow rate and retains medium to coarse particles. The applications range from the filtration of beverages to the purification of electroplating baths.
A standard grade filter for boiler water analysis.
Thinnest Whatman brand hardened filter paper, highly glazed Grade 50 supports vacuum filtration in Buchner funnels or Hirsch funnels and enables strong retention of very fine crystalline precipitates.
A standard grade clarifying filter excellent for cloudy suspensions and for water and soil analysis.
Compared with quadrant-folded filters, Whatman Grade 2V pre-folded filter paper exposes extra surface area, which enables a higher loading capacity and shorter filtration time.
High-quality Whatman lens cleaning tissue, which is chemically pure and free from silicones and other additives.
Whatman Grade GF/F filter from GE Healthcares Life Sciences business is manufactured from pure borosilicate glass. GF/F offers very fine particle retention and good loading capacity and flow rate.
Whatman Grade 42 quantitative papers have the finest retention of all Whatman ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.
Whatman 100% borosilicate glass microfiber (HP-GF) thimbles are designed to fit most Soxhlet extraction units. They are well-suited to pollution monitoring when analysis of hot and acidic gases is required.
A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids.
Cellulose nitrate membranes, circles, plain
Whatman Puradisc syringe filters from GE Healthcares Life Sciences business combine premium quality with economic efficiency. They are well suited for rapid, routine syringe filtration of samples up to 100 ml.
Whatman Grade 540 is a high-purity, acid-treated cellulose lab filter paper. Mechanically strong Grade 540 is well suited for quantitative or gravimetric analysis of strongly acidic or alkaline samples.
A thin paper with great wet strength and a very high flow rate. Frequently used in technical applications such as the filtration of viscous liquids and emulsions (e.g., sweetened juices, spirits, and syrups, resin solutions, oils, or plant extracts).
Ultra high loading capacity with a particle retention well suited for use with coarse or gelatinous precipitates. Fastest flow rate of the qualitative grades. Creped surface. Thickest filter paper in the qualitative range.
This certified Grade 2 is tested according to the procedure detailed in ASTM E 2187-09, Sections 9.3.1 and 9.3.2. The paper meets both the conditioned (26.1 +/- 0.5 g, SD < 0.3 g) and dried (24.7 +/- 0.5 g, SD < 0.3 g) weight requirements.
Whatman Grade 40 high-purity filters from GE Healthcares Life Sciences business are general-purpose papers for quantitative analysis. Grade 40 filters are suitable for a variety of analytical filtration applications.
1 Chr cellulose chromatography roll is a 0.18 mm paper for general analytical separations.
Whatman Grade 541 acid hardened cellulose filter paper features high wet-strength, high chemical resistance, and large nominal particle retention for fast analytical filtration.
Cellulose nitrate membranes, circles, plain
-Narrow pore size distribution for improved surface capture and analysis.
-Low levels of extractable to ensure sample integrity.
603 Standard Cellulose Extraction Thimbles made from high-quality cellulose available in a range of sizes.
Whatman cellulose thimbles are manufactured from high-quality alpha cellulose cotton linter for high-performance use in automated Soxhlet extractor systems. Used in air and waste gas analysis.
Whatman Grade 542 filters are acid hardened to allow high retention of fine precipitates in applications such as metal determinations and hydroxide collection.
A Whatman cellulose filter is manufactured from high-quality cotton linters treated to achieve a minimum alpha cellulose content of 98%.
Whatman Grade 1 Qualitative Filter Paper covers a wide range of laboratory applications, frequently used for clarifying liquids. It is widely used in education for teaching simple qualitative analytical separations. The areas of use include the food industry, agriculture, air pollution monitoring, and gas detection. It is 12.5cm Diameter Qualitative Filters.
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