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Quantitative

FILTECH Quantitative filter papers are produced from extremely high purity, acid washed paper designed for use in analytical applications and gravimetric analyses.

These quantitative grades are manufactured from 100% high quality cotton fibres using ultra pure, reverse osmosis water. A final acid treatment removes any remaining organic or inorganic impurities. Quantitative grades have an ash content of 0.007%, and in the hardened form 0.006%.

Specially treated high purity, hardened ashless papers are available for applications requiring increased wet strength and handling capacity. These hardened grades have a tough, smooth surface free of loose fibres that is ideal for collecting wet precipitates and are generally used because of their high chemical resistance to acid and alkali.

 

  • Ashless Filter Paper - 162
    Ashless Filter Paper - 162
    $7.50
    Filtech Grade 162 is a fast filtering grade for rapid filtration of coarse particles and gelatinous precipitates such as iron, zirconium and aluminium hydroxides, and cobalt sulphide. This grade is also used in air...
  • Ashless Filter Paper - 222
    Ashless Filter Paper - 222
    $7.50
    Filtech Grade 222 has medium flow rate and good particle retention and is the most commonly used acid-washed filter. This grade covers a wide range of general ashless filtration applications. It is used for graviimetric...
  • Ashless Filter Paper - 282
    Ashless Filter Paper - 282
    $8.00
    Filtech Grade 282 is an extremely fine retention filter for critical gravimetric analysis of very fine particles such as barium and lead sulphates, stannic and nickel sulphide, calcium oxalate and calcium fluoride. NOTE:...
  • Hardened Ashless Filter Paper - 165
    Hardened Ashless Filter Paper - 165
    $10.00
    Filtech Grade 165 is a fast filtering grade for gravimetric analysis of coarse particles and gelatinous precipitates (i.e.: aluminium and zirconium hydroxides) in acid and alkali solutions. Grade 165 is also used in air and...
  • Hardened Ashless Filter Paper - 225
    Hardened Ashless Filter Paper - 225
    $9.00
    Filtech Grade 225 has medium flow rate and good particle retention and is most commonly used for applications requiring high chemical resistance to strong acid and alkali. This grade is often used for filtering trace...
  • Hardened Ashless Filter Paper - 285
    Hardened Ashless Filter Paper - 285
    $11.00
    Filtech Grade 285 is an extremely fine retention filter for critical gravimetric analysis and metal determination of very fine particles such as barium and lead sulphates, stannnic and nickel sulphide, calcium oxalate and...

About Filtech

Filtech offer a complete range of high quality analytical filter papers designed for use in general laboratory applications. Our extensive range of superior quality papers include; qualitative, quantitative (ashless and hardened ashless) and glass microfibre filter paper.

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