Catálogo General de Material para Laboratorio

Continued on next page 726 MN 615 - General purpose filter paper Filter Papers 1 2 3 Ashless filter papers, MACHEREY-NAGEL 1 MN 640 m - medium speed Ash less filter paper with medium speed and medium retention. Typical applications in - clude gravimetric analysis, quantitative determinations of sediments and high purity clean up procedures. Filtration speed according to DIN 53137: 27 s Thickness: 0.2 mm Basis weight: 85 g/m 2 Ash content: < 0.01% Type Diameter mm Order No. PU pc/Pack Round filter MN 640 m 55 10 46 92305 100 Round filter MN 640 m 70 10 46 92307 100 Round filter MN 640 m 90 10 46 92309 100 Round filter MN 640 m 110 10 46 92311 100 Round filter MN 640 m 125 10 46 92312 100 Round filter MN 640 m 150 10 46 92315 100 Round filter MN 640 m 185 10 46 92318 100 Round filter MN 640 m 240 10 46 92324 100 ‼ Available only in original packaging units. No fractions possible. 2 MN 640 w - fast filtration Ash less filter paper for fast filtration of coarse particles and gelatinous precipitates. Filtration speed according to DIN 53137: 9 s Thickness: 0.2 mm Basis weight: 85 g/m 2 Ash content: < 0.01% Type Diameter mm Order No. PU pc/Pack Round filter MN 640 w 55 10 46 92205 100 Round filter MN 640 w 70 10 46 92207 100 Round filter MN 640 w 90 10 46 92209 100 Round filter MN 640 w 110 10 46 92211 100 Round filter MN 640 w 125 10 46 92212 100 Round filter MN 640 w 150 10 46 92215 100 Round filter MN 640 w 185 10 46 92218 100 Round filter MN 640 w 240 10 46 92224 100 ‼ Available only in original packaging units. No fractions possible. 3 MN 640 d - slow filtration Ash less filter paper for fitlration of fine precipitates like barium sulfate. Filtration speed according to DIN 53137: 140 s Thickness: 0.17 mm Basis weight: 85 g/m 2 Ash content: < 0.01% Type Diameter mm Order No. PU pc/Pack Round filter MN 640 d 55 10 46 92505 100 Round filter MN 640 d 70 10 46 92507 100 Round filter MN 640 d 90 10 46 92509 100 Round filter MN 640 d 110 10 46 92511 100 Round filter MN 640 d 125 10 46 92512 100 Round filter MN 640 d 150 10 46 92515 100 Round filter MN 640 d 185 10 46 92518 100 Round filter MN 640 d 240 10 46 92524 100 General purpose filter papers, MACHEREY-NAGEL 4 Most widely used general purpose filter paper with medium retention and flow rate. This paper covers a wide range of laboratory applications and is frequently used for clarifying liquids. Filtration speed according to DIN 53137: 22 s Thickness: 0,16 mm Basis weight: 70 g/m 2 Separating Systems Filtration