65 Prices are indicative and excluding tax. Visit Dutscher.com FILTRATION Quantitative analytical filter paper Flat filters z 100% cotton linters z Acid-treated and washed with demineralised water z Ash content less than 0.01% NEW QT41 QT42 QT43 QT44 QT44 Ø (mm) Part no. € for 100 Part no. € for 100 Part no. € for 100 Part no. € for 100 Part no. € for 100 47 258099 NC - 258108 NC - 258117 NC - 258127 NC - 258136 NC - 55 258100 NC - 258109 NC - 258118 NC - 258128 NC - 258137 NC - 70 258101 NC - 258110 NC - 258119 NC - 258129 NC - 258138 NC - 90 258102 NC - 258111 NC - 258120 NC - 258130 NC - 258139 NC - 110 258103 NC - 258112 NC - 258121 NC - 258131 NC - 258140 NC - 125 258104 NC - 258113 NC - 258122 NC - 258132 NC - 258141 NC - 150 258105 NC - 258114 NC - 258123 NC - 258133 NC - 258142 NC - 185 258106 NC - 258115 NC - 258124 NC - 258134 NC - 258143 NC - 210 - - - - 258125 NC - - - - - 240 258107 NC - 258116 NC - 258126 NC - 258135 NC - 258144 NC - Grade Retention range (µm) Grammage (g/m²) DIN 53104 Thickness (mm) Filtration speed (sec) DIN 53137 QT41 25-30 80 0.2 9 QT42 20-25 84 0.2 27 QT43 14-18 84 0.2 55 QT44 7-9 74 0.16 100 QT45 2-4 84 0.17 140 Glass fibre paper without binder z 100% borosilicate glass without binder z 5 filtration thresholds to meet every need z For microfiltration of air, gases and liquids z Heat-resistant up to 500°C z Compatible with most chemical reagents NEW Grade Retention range (µm) Grammage (g/m²) DIN 53104 Thickness (mm) Filtration speed (sec) DIN 53137 FV25 0.7 75 310 0.45 FV22 1 143 200 0.26 FV23 1.2 52 100 0.26 FV21 1.6 52 60 0.26 FV24 2.7 120 30 0.53 Grade FV25 FV22 FV23 FV21 FV24 Ø (mm) Part no. Threshold 0.7 µm Units/ box €/ box Part no. Threshold 1 µm Units/ box €/ box Part no. Threshold 1.2 µm Units/ box €/ box Part no. Threshold 1.6 µm Units/ box €/ box Part no. Threshold 2.7 µm Units/ box €/ box 21 257850 100 NC - - - - 257827 100 NC - 257802 100 NC - 257839 50 NC - 24 257851 100 NC - 257814 50 NC - 257828 100 NC - 257803 100 NC - 257840 50 NC - 25 257852 100 NC - 257816 100 NC - 257829 100 NC - 257804 100 NC - 257841 50 NC - 37 257853 100 NC - 257817 50 NC - 257830 100 NC - 257805 100 NC - - - - 42.5 257854 100 NC - 257818 50 NC - 257831 100 NC - 257806 100 NC - 257842 50 NC - 47 257855 100 NC - 257820 100 NC - 257832 100 NC - 257807 100 NC - 257843 50 NC - 55 257856 100 NC - 257821 100 NC - 257833 100 NC - 257808 100 NC - 257844 50 NC - 70 257857 100 NC - 257822 50 NC - 257834 100 NC - 257809 100 NC - 257845 50 NC - 90 257858 100 NC - 257823 50 NC - 257835 100 NC - 257810 100 NC - 257846 50 NC - 110 257859 100 NC - 257824 25 NC - 257836 100 NC - 257811 100 NC - 257847 25 NC - 125 257860 100 NC - 257825 25 NC - 257837 100 NC - 257812 100 NC - 257848 25 NC - 150 257861 100 NC - 257826 25 NC - 257838 100 NC - 257813 100 NC - 257849 25 NC - Glass fibre paper with binder z With resin binder z Grade FV29: hydrophilic for liquid analysis z Grade FV27: hydrophobic for air analysis z Heat-resistant up to 180°C NEW Grade Retention range (µm) Grammage (g/m²) DIN 53104 Thickness (mm) FV27 / 73 0.4 FV29 0.6 73 0.35 Grade FV27 FV29 Ø (mm) Part no. Threshold 0.7 µm Units/ box €/ box Part no. Units/ box €/ box 47 257874 50 NC - 257883 50 NC - 55 257875 50 NC - 257884 50 NC - 70 257876 50 NC - 257885 50 NC - 90 257877 50 NC - 257886 50 NC - 110 257879 50 NC - 257888 50 NC - 125 257880 50 NC - 257889 50 NC - 150 257881 50 NC - 257890 50 NC -
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