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Grade 353 Quantitative Ashless Filter Paper

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Product code:

353

≡ No.43

Johnson Test Papers’ Grade 353 filters support inorganic analysis and other forms of instrumental analyses. The low ash content also makes Grade 353 appropriate for gravimetric analyses requiring sample combustion. Very low ash content (0.007% ash concentration maximum) Intermediate pore size of 8 - 12 µm Filtration speed on 20 second according to DIN 53137 Particle collection between that of Grades 352 and 354

Whatman Cross Reference = No.43
Speed class Medium fast filtering
Thickness (mm) 0.17
Pore size (μM) 8-12
Weight (g/m²) 84
Filtration Speed (sec*) 20
Burst Strength (Kg/cm²) < 0.20
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