Qualitative Filter Paper; diameter 11cm
Product introduction
Qualitative Filter Paper refers to [qualitative analysis of filter paper". Qualitative analysis of filter paper generally has more residual ash. It is only used for general qualitative analysis and for filtering precipitates or suspensions in solution. It cannot be used for quality analysis. There are 3 types of filter paper.
high speed filter paper : filter speed ≤ 35 Second mid speed filter paper : filter speed ≤ 70 S Second slow speed filter paper : filter speed ≤ 140 S Second Product Usage Purify and remove sediment Qualitative analysis preprocessing Product Specifications|
Qualitative g/m2 |
80.0+-5.0 |
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Separating property (PbSO4) |
The filtrate is transparent, no precipitation |
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Fracture length (km) |
1.9 Min |
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Resistant break-wet (mm spout ) |
140 Min |
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Ash (900℃) |
0.15%Max |
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PH |
6-8 |
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Speckiness (pc/m2) |
(>=0.2-0.3)mm2 |
One grade |
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(>0.3-0.7)mm2 |
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>0.7 mm2 |
One grade |
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Moisture |
7.0+-3.0% |
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