CHROMATOGRAPHY
87
General Purpose Chromatography Columns
Glass Columns with Removable Fritted Disc This column with a removable 40-60 micron porosity fritted disc features minimal dead space to eliminate the possible remixing of eluted components. • Complete set-up consists of a column barrel, a stopcock adapter with a size 2 PTFE plug (821001-0002), two ethylene propylene (EP) o-rings, a fritted disc and a pinch clamp • 422250 series includes integral spherical reservoir for eluting solvent • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
Glass Columns with Fritted Disc and PTFE Stopcock Plug • Gravity chromatography column manufactured from medium wall tubing with 821000 PTFE stopcock
•
Similar in design to the 420530 series
• 40-60 micron porosity glass frit at the lower end to act as a support for column packing material • Custom sizes and plastic safety coating are available upon request • Replacement stopcock plug is 821001 • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
Column ID (mm), Column Length (mm)
Column ID x Length (cm)
Reservoir Capacity (mL)
Nominal Column Volume (mL)
Part Number
Case Qty
Part Number
Case Qty
422230-2512 422230-2520 422230-2525 422230-5012 422230-5020 422230-5025 422250-2512 422250-2520 422250-2525
1.2 x 25
1 1 1 1 1 1 1 1 1
420540-0213 420540-0120 420540-0125 420540-0130 420540-0150 420540-0220 420540-0225 420540-0230 420540-0224 420540-0250 420540-0233 420540-0234 420540-0320 420540-0325 420540-0243 420540-0245 420540-0420 420540-0425 420540-0430 420540-0450 420540-0256 420540-2610 420540-0520 420540-0525 420540-0530 420540-0550 420540-0560 420540-0620 420540-0625 420540-0630 420540-0650 420540-0660 420540-0720 420540-0725 420540-0730 420540-0750 420540-0760
20 23 28 34 66 51 56 76
11, 300 13, 200 13, 250 13, 300 13, 500 19, 200 19, 250 19, 300 19, 400 19, 500 22, 300 22, 400 25, 200 25, 250 25, 300 25, 500 38, 200 38, 250 38, 300 38, 500 41, 600 49, 1000 50, 200 50, 250 50, 300 50, 500 50, 600 64, 200 64, 250 64, 300 64, 500 64, 600 75, 200 75, 250 75, 300 75, 500 75, 600
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
2 x 25
2.5 x 25 1.2 x 50
2 x 50
2.5 x 50 1.2 x 25
125 250 500
2 x 25
2.5 x 25
110 142 110 150
Replacement Parts
Part Number 422231-2512 422231-2520 422231-2525 422231-5012 422231-5020 422231-5025 422380-0020 422380-0025
Description
Case Qty
90
Size 35 Pinch Clamp ,Fits O-Ring Conn. Size 20-25, screw lock provided Glass Column Barrel with Reservoir, 12 x 250 mm, one o-ring included Glass Column Barrel with Reservoir, 20 x 250 mm, one o-ring included Glass Column Barrel with Reservoir, 25 x 250 mm, one o-ring included Size 28 Pinch Clamp, Fits O-Ring Conn. Size 12-15, screw lock provided Glass Column Barrel, 12 x 250 mm Glass Column Barrel, 20 x 250 mm Glass Column Barrel, 25 x 250 mm Glass Column Barrel, 12 x 500 mm Glass Column Barrel, 20 x 500 mm Glass Column Barrel, 25 x 500 mm Stopcock Adapter for 20 mm Column Stopcock Adapter for 25 mm Column
1 1 1 1 1 1 1 1
100 140 240 227 280 340 567 775
1875
675000-0028
1
360 470 589 981
675000-0035
1
422251-2512
1
1180
422251-2520
1
643 804 965
422251-2525
1
1608 1929
883
1004 1290 2149 2579
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