A prepleated filter for use with a conical filter funnel, offers fast filtration and high loading capacity for analysis involving coarse particles or gelatinous precipitates. - - Highest retention among standard filters Slow flow rate Fine-particle retention For qualitative analysis - The filter is wet-strengthened and for normal qualitative applicaiton it will not introduce any any significant impurities into the filtrate. However, it is not recommended for Kjeldahl nitrogen analysis. Here you can find the certificate: https://www.cytivalifesciences.com/en/de/support/quality/certificatesMeer tonenMinder tonen