Quantitative Filter Papers

Quantitative (ashless) filter papers are made from 100% cotton linters and are free from impurities since the paper is acid washed and cleaned with ultra pure water. The ash content is 0.007%. Available as sheets plain circles and pre-pleated ready to use.

 

Applications:

  • Environmental analysis
  • Gravimetric analysis

 

Available Quantitative Filter Papers:

Grade

Weight

(g/m2)

Thickness

(mm)

Filtration speed

Retention Efficiency

(µm)

Gas Collection Efficiency

(% 0,3 µm DOP)

Advantec nr. 4A

96

0,12

Slow

<5

90

Advantec nr. 5A

97

0,22

Fast

>10

75

Advantec nr. 5B

108

0,21

Medium

5-10

90

Advantec nr. 5C

118

0,22

Slow

<5

93

Advantec nr. 6

103

0,2

Medium/Slow

2-10

90

Advantec nr. 7

87

0,18

Medium

5-10

85

 
 

Compatibility Table

Advantec

Whatman®

Macherey & Nagel®

Schleicher & Schuell®

Grade 4A

42 // 50 // 542

640de

589/6 // 1507

Grade 5A

41 // 54 // 541

640w

589/1 // 1505

Grade 5B

44

640d

589/5

Grade 5C

42

640de

589/3

Grade 6

42 // 50 // 542

640de

589/6 // 1507

Grade 7

40 // 43

640m

589/2 // 589/4 // 1506