Whatman Products

Features: 4.25cmGrade 5Used in qualitative analytical techniques to determine and identify materialsHas the maximum degree of fine particle filtration (2.5µm) in the qualitative range; capable of retaining the fine precipitates encountered in chemical...

Features: More absorbent than Grade 1

Features: Made from virgin cellulose fiberGrade 3; 5 micron particle retention215mm Diameter; 0.40 mm ThicknessInitial Filtration Speed: 325 seconds/100mlDry Bursting Strength: 187 kPa

Features: For filtration of medium volumes, cell culture media and HPLC solutionsNylon; 0.45µmIncluded borosilicate prefilter for high flow ratesComplete 500 ml units with tubing nozzleChemical-resistant bottle-top filter for your more agressive chemical...

Features: For filtration of medium volumes, cell culture media and HPLC solutions Nylon; 0.2µm Included borosilicate prefilter for high flow rates Complete 500 ml units with tubing nozzle Chemical-resistant bottle-top filter for your more...

Features: 12.5cmGrade 1Covers a wide range of laboratory applications; frequently used for clarifying liquidsAreas of use include the food industry, agriculture, air pollution monitoring, and gas detectionWidely used in education for teaching simple...

Features: 12.5cmGrade 1Covers a wide range of laboratory applications; frequently used for clarifying liquidsAreas of use include the food industry, agriculture, air pollution monitoring, and gas detectionWidely used in education for teaching simple...

Features: Glass microfiber filter; Retention: 1.2µm Diameter: 2.5cmGrade GF/C circles; 25mmThe standard filter in many parts of the world for the collection of suspended solids in potable waterWidely used for cell harvestingFast and efficient...

Features: Sterile 25mm syringe filters with polypropylene housing for use with highly particular-loaded samples greater than 10mL0.2 micron retentionPVDF membrane has low protein-binding properties for use with aqueous and organic-based samplesPack of 50

Features: Diameter: 240mmFiltration speed: 375 herzberg; typical thickness: 160µm; basis weight: 84g/m²Retention: < 2µmA dense filter paper for collecting very small particles and removing fine precipitatesUsed in sample preparation, e.g. in the beverage...

Features: Diameter: 185mmFiltration speed: 375 herzberg; typical thickness: 160µm; basis weight: 84g/m²Retention: < 2µmA dense filter paper for collecting very small particles and removing fine precipitatesUsed in sample preparation, e.g. in the beverage...

Features: Diameter: 150mmFiltration speed: 375 herzberg; typical thickness: 160µm; basis weight: 84g/m²Retention: < 2µmA dense filter paper for collecting very small particles and removing fine precipitatesUsed in sample preparation, e.g. in the beverage...

Features: Diameter: 125mmFiltration speed: 375 herzberg; typical thickness: 160µm; basis weight: 84g/m²Retention: < 2µmA dense filter paper for collecting very small particles and removing fine precipitatesUsed in sample preparation, e.g. in the beverage...

Features: For filtration of medium volumes, cell culture media and HPLC solutionsPTFE; 0.45µmIncluded borosilicate prefilter for high flow ratesComplete 500 ml units with tubing nozzleTypical application is for the retention of particles in organic...

Features: Diameter: 12.5cmRetention: 8µmClassic general purpose ashless filter paper; medium speed and retention; typical applications include gravimetric analysis for numerous components in cements, clays, iron and steel productsPrimary filter for...

Features: Qualitative filter paper for chromatography and chemical analysis applications. Diameter: 240mm (24cm, 9.45in)Fine Micron particle filtration: 1.5-3.5u, slow flow, equivalent to Whatman Grade 5-6.Low ashless content: ≤0.15%.Convex design for...