Main : Filter Papers : Qualitative Analytical Filters : MN 1672; hard filters, medium speed, suitable for work in strongly acid or strongly alkaline media, smoothed for fibre-free filtration 0.13mm thick, 35s filtration speed, weight 85g per meter square
Filter Papers : Qualitative Analytical Filters : MN 1672; hard filters, medium speed, suitable for work in strongly acid or strongly alkaline media, smoothed for fibre-free filtration 0.13mm thick, 35s filtration speed, weight 85g per meter square
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