Whatman No. 40 Quantitative Ashless Circles 47mm
Whatman No. 40 Quantitative Ashless Circles 47mm is backordered and will ship as soon as it is back in stock.
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Description
Description
Whatman No. 40 is a medium-fast quantitative ashless filter paper with 8µm particle retention and less than 0.01% ash content, making it suitable for gravimetric analysis where the filter is ignited. Used for the collection of medium to coarse precipitates in standard gravimetric procedures across environmental, geological, and industrial quality-control laboratories. A common choice when No. 42 is too slow or fine retention is not critical.
Whatman No. 40 Quantitative Ashless Circles 47mm
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