paper tape

A filter membrane product with item number 460180 under the Whatman brand was retrieved, and it is speculated that there may be an input error in the item number (such as one more digit, one less digit, or reversed digits). The following are common references for filter membranes with similar product numbers, and provide troubleshooting suggestions: 1. Reference for filter membranes with similar product numbers (Whatman mainstream series) Possible product types Core parameter adaptation scenarios 1820-047 GF/A glass microfiber filter membrane 47mm diameter, 1.6 μ m pore size, no adhesive, 25 pieces/pack air sampling, particle pre-treatment 10460180 Puradisc 25 needle filter 0.45 μ m mixed cellulose ester membrane, 25mm diameter, 100 pieces/pack laboratory sample clarification filtration 4601-047 Acetate cellulose membrane 0.45 μ m pore size, 47mm diameter, 100 pieces/pack Microbial analysis, aqueous solution filtration 2. Item number troubleshooting suggestions: 1 Check the item number: Confirm if it is from the 1820/1046/4601 series, common errors such as missing prefixes and misplaced numbers (e.g. 460180 → 4601-047). two Additional information: Provide brand, purpose (such as PM monitoring/laboratory filtration), size/aperture, etc., which can accurately match the corresponding product. three Alternative solution: If used for beta ray PM monitoring, the HGF61 series (such as 1830-6236, 9713-900769) can be prioritized; Grade 1/41 cellulose filter paper is optional for laboratory routine filtration.