Filter paper Grade: 41, 70 mm

Filter paper Grade: 41, 70 mm

Product Details:

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Price And Quantity

  • 1 Unit
  • 2070 INR

Trade Information

  • Udaipur
  • 100 Unit Unit Per Month
  • 15 Days
  • All India

Product Description

Filter paper Grade: 41, 70 mm
  • Extremely low ash content (0.007% ash maximum)
  • 20 micro-m nominal particle retention rating
  • Fast filtration speed (Herzberg 54 s)
  • Commonly used for routine air pollution analysis and soil pollution analysis

Aside from Grade 41 environmental pollution papers, Whatman quantitative paper comes in a variety of particle retentions, filtration speeds, and filter thicknesses to provide you with the appropriate filter for your precipitate. Also, see our hardened ashless grades for analysis requiring the use of strong acids or bases.

Fast ashless paper for pollution analysis

Whatman Grade 41 filters from GE Healthcares Life Sciences business are suitable for quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates.

Grade 41 filters are also commonly used in preparing solid environmental samples (e.g., soils, sludges) for metals analysis after nitric acid digestion.

Product Specification:

Parameter

Grade 41 Fast Ashless Filter Paper, circle, 70 mm (100 pcs)

Grade

Grade 41

Type

Ashless

Typical Particle Retention in Liquid1

20micro-m

Nominal Thickness

215 micro-m

Typical water flow rate2

254 ml/min

Nominal Basis Weight

85 g/m2

Nominal Air Flow Rate

4 s/100 mL/in2

Nominal Ash Content3

0.007%

Material

High-quality cotton linters

Alpha Cellulose Content Min.

98%

Typical Trace Element Levels

Aluminium 2.5 micro-g/g Antimony <0.5 micro-g/g Arsenic <0.5 micro-g/g Barium <0.5 micro-g/g

Boron <1 micro-g/g Calcium 8.3 micro-g/g Chromium 1.5 micro-g/g

Copper 2 micro-g/g Iron 12 micro-g/g Lead <0.5 micro-g/g Magnesium 4 micro-g/g

Manganese <0.5 micro-g/g Mercury <0.5 micro-g/g Potassium 2.3 micro-g/g

Silicon‚ 6.2 micro-g/g Sodium 16.8 micro-g/g Zinc 64.5 micro-g/g

Application

Designed for gravimetric analysis and the preparation of samples for instrumental analysis. For analytical procedures involving coarse particles or gelatinous precipitates (e.g., iron or aluminum hydroxides).Also used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates.

Dimensions

70 mm


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