whatman 2V折疊定性濾紙1202-125

詳細(xì)資料：whatman 2V折疊定性濾紙whatman 2V折疊定性濾紙1202-125
            產(chǎn)品編號 產(chǎn)品描述產(chǎn)品包裝產(chǎn)品價格定購數(shù)量/單位加入購物藍(lán)
            1202-125直徑:125mm100片/盒登錄后顯示 /  單位 件 臺 部 套 盒 瓶 塊 個 
            1202-150直徑:150mm100片/盒登錄后顯示 /  單位 件 臺 部 套 盒 瓶 塊 個 
            1202-185直徑:185mm100片/盒登錄后顯示 /  單位 件 臺 部 套 盒 瓶 塊 個 
            1202-240直徑:240mm100片/盒登錄后顯示 /  單位 件 臺 部 套 盒 瓶 塊 個 
            1202-320直徑:320mm100片/盒登錄后顯示 /  單位 件 臺 部 套 盒 瓶 塊 個 
            1202-400直徑:400mm100片/盒登錄后顯示 /  單位 件 臺 部 套 盒 瓶 塊 個 

Qualitative Filter Papers - Folded (Prepleated Grades) 
Time-saving Whatman qualitative grades are offered in this convenient form, 
which have major advantages over flat circles:
  Savings in time required to quadrant-fold circles to fit conical filter 
  funnels in repetitive or multiple analysis
  Decreased overall filtration time because of the extra surface area exposed; 
  the normal slow down of filtration speed due to the loading of particulate is 
  postponed
  Increased total loading capacity because more filter area is available
  Maintained flow rate because of the reduction in filter paper contact with 
  funnel side and, of course, the self-supporting shape of the filter itself
  The prepleating does not significantly affect any of the technical data and 
  the same figures may be used for the flat circles.
Grade 2V: 8μm
Widely used for general purpose filtration. Slightly more retentive than No. 1. 
Has excellent particle retention and a good filtration speed and loading 
capacity.Grade 113V: 30μm
Very thick and strong filter with creped surface for extremely high loading 
capacity, particularly in folded form. Fastest flow rate of any qualitative 
grade. Ideal for coarse particles and gelatinous precipitates. Grade 114V: 25μm
Strong filter with very fast flow rate. Ideal for coarse particles and 
gelatinous precipitates. Smooth surface. 
 
 
      Ordering Information - Qualitative Filter Circles Folded (pleated)
      Diameter
      (mm)Catalogue NumberQuantity
      /Pack
      Grade 2VGrade 113VGrade 114V
      1251202-1251213-1251214-125100
      1501202-1501213-1501214-150100
      1851202-1851213-1851214-185100
      2401202-2401213-2401214-240100
      2701202-2701213-270—100
      3201202-3201213-3201214-320100
      3851202-385——100
      4001202-400——100
      5001202-5001213-500—100

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