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Grade B15542

Product Code: FPB155420125

Regular price 0.00 0.00 |  You Save 0 (0%)

Technical Specifications:

For : Very fine crystalline precipitates
Speed of Filtration: Slow
Retention Rate : ≤ 2 µm Filtration Herzberg : 600** s
Thickness : 0.14 mm Weight : 90 g/m²
Avg Ash Content : 0.003%

Applications:

  • For very fine crystalline precipitates
  • Gravimetric analyses of fine metals: barium and lead sulphate, nickel and tin sulphide, oxalate and calcium fluoride Gravimetric analysis in oil refinery

Available Size:

Hardened ashless filters (ash content approx. 0.003%), especially recommended for filtration applications requiring  vacuum and pressure filtration, and for the use of acidic and alkaline solutions.

  • Made of super-refined cotton linters and cellulose
  • Acid-washed and free of minerals and metallic ions, ideal for the detection of metallic ions
  • Very high wet strength; easy to scrap off or wash off precipitates
  • Hardened by small quantities of nitrogen-containing resin, which does not introduce significant impurities into the filtrate
  • High resistance to aggressive chemical components, like sulphuric and nitric acids (up to 40 % at 50 ° Celsius) and alkalis (up to 10 % at 20 ° Celsius)
  • For analytical applications, routine quantitative and /or gravimetric procedures
  • For very fine crystalline precipitates
  • Gravimetric analyses of fine metals: barium and lead sulphate, nickel and tin sulphide, oxalate and calcium fluoride Gravimetric analysis in oil refinery

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