沃特曼whatman硬化低灰定量滤纸GRADE 50的详细介绍Grade 50: 2.7μm whatman硬化低灰定量滤纸GRADE 50
Retention of finest crystalline precipitates. The thinnest of all Whatman filter 
papers. Slow flow rate. Hardened and highly glazed surface. This finish also 
keeps the paper free from loose surface fibres. Highly suitable for qualitative 
or quantitative filtrations requiring vacuum assistance on Büchner or 3-piece 
filter funnels. Very strong when wet. Will withstand wet handling and 
precipitate removal by scraping. In the electronics industry, the virtual 
absence of fibre shedding is utilised in carriers for integrated circuits. 

      Ordering Information - Quantitative Filter Papers - Hardened Low Ash 
Grades
      Catalog NumberDescription
            Grade 50

      1450-042Grade 50 circles, 42.5 mm 100/pk
      1450-050Grade 50 circles, 50 mm 100/pk
      1450-055Grade 50 circles, 55 mm 100/pk
      1450-070Grade 50 circles, 70 mm 100/pk
      1450-090Grade 50 circles, 90 mm 100/pk
      1450-110Grade 50 circles, 110 mm 100/pk
      1450-125Grade 50 circles, 125 mm 100/pk
      1450-150Grade 50 circles, 150 mm 100/pk
      1450-185Grade 50 circles, 185 mm 100/pk
      1450-240Grade 50 circles, 240 mm 100/pk
      1450-320Grade 50 circles, 320 mm 100/pk
      1450-400Grade 50 circles, 400 mm 100/pk
      1450-500Grade 50 circles, 500 mm 100/pk
      1450-561Grade 50 circles, 609.6 mm 100pk
      1450-880Grade 50 sheets, 10 x 10 inches 100/pk
      1450-916Grade 50 sheets, 150 x 230 mm 100/pk
      1450-925Grade 50 sheets, 400 x 400 mm 100/pk
      1450-900Grade 50 sheets, 410 x 400 mm 100/pk
      1450-917Grade 50 sheets, 460 x 570 mm 100/pk
      1450-993Grade 50 sheets, white smear tab 100/pk
            Grade 52

      1452-070Grade 52 circles, 70 mm 100/pk
      1452-090Grade 52 circles, 90 mm 100/pk
      1452-110Grade 52 circles, 110 mm 100/pk
      1452-125Grade 52 circles, 125 mm 100/pk
      1452-150Grade 52 circles, 150 mm 100/pk
      1452-240Grade 52 circles, 240 mm 100/pk
      1452-923Grade 52 sheets, 400 x 450 mm 500/pk
            Grade 54

      1454-055Grade 54 circles, 55 mm 100/pk
      1454-070Grade 54 circles, 70 mm 100/pk
      1454-090Grade 54 circles, 90 mm 100/pk
      1454-110Grade 54 circles, 110 mm 100/pk
      1454-125Grade 54 circles, 125 mm 100/pk
      1454-150Grade 54 circles, 150 mm 100/pk
      1454-185Grade 54 circles, 185 mm 100/pk
      1454-240Grade 54 circles, 240 mm 100/pk
      1454-320Grade 54 circles, 320 mm 100/pk
      1454-500Grade 54 circles, 500 mm 100/pk
      1454-917Grade 54 sheets, 460 x 570 mm 100/pk

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