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Filter Circles, Quantitative, Grade 40

Grade 40: 8 µm. General purpose ashless filter paper with medium speed and retention. For gravimetric analysis of numerous components in cements, clays, iron and steel products, as a primary filter for separating solid matter from aqueous extracts in general soil analysis, quantitative determination of sediments in milk and as a pure analytical grade clean-up filter for solutions prior to AA spectrometry. Also as a high-purity filter in the collection of trace elements and radionuclides from the atmosphere.- Properties: medium.- Ash content: 0.007 %.- Thickness: 210 µm.- Weight: 95 g / m2.- Filtration time acc. to Herzberg: 340 s.
PUOrder No. Price/Unit/GBP 
filter circle42.50340.001005428766-19.15Order
filter circle55.00340.001005056400-20.10Order
filter circle70.00340.001005428635-20.35Order
filter circle90.00340.001005056402-27.92Order
filter circle110.00340.001005056403-38.29Order
filter circle125.00340.001005056404-44.22Order
filter circle150.00340.001005056405+59.04Order
filter circle185.00340.001005056406-88.69Order
filter circle240.00340.001005056407-136.15Order