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Grade 305 Standard Qualitative Filter Paper

Grade 305 Standard Qualitative Filter Paper

Product code:

305

≡ Whatman No. 4
Johnson Test Papers

This grade is used for the filtration of coarse particles and gelatinous precipitates such as ferric aluminium and magnesium hydroxides. Grade 305 is used in air monitoring and gas filtration when a high flow rate is needed. This grade is also found in routine cleanup analysis of insoluble liquids such as biological fluids and organic elements.

Whatman Cross Reference = No.4
Speed class Fast Filtering
Thickness (mm) 0.20
Pore size (μM) 12-15
Weight (g/m²) 84
Filtration Speed (sec*) 10
Burst Strength (Kg/cm²) > 0.30
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In stockIn stockIn stockIn stockIn stockIn stockIn stock
Product Code Diameter In Stock Price Qty
product code 305055 diameter 55
IN STOCK
Price £7.32 Quantity
product code 305070 diameter 70
IN STOCK
Price £8.56 Quantity
product code 305090 diameter 90
IN STOCK
Price £8.62 Quantity
product code 305110 diameter 110
IN STOCK
Price £10.42 Quantity
product code 305125 diameter 125
IN STOCK
Price £13.08 Quantity
product code 305150 diameter 150
IN STOCK
Price £15.86 Quantity
product code 305185 diameter 185
IN STOCK
Price £22.76 Quantity

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