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Closures are the already assembled combination of the cap and sealing disc. In order to carry out a correct analysis, it is important that the seal is also inert and uncontaminated, in addition to the sample bottle. Various closures, such as snap ring, roller edge, flanging or screw caps, are available for the sample bottles. In addition to the suitability of sample bottle and closure for the used autosampler, the personal preferences in handling are also decisive. Can the flanging or screwing of the vials be better integrated into the working process? Should the closed bottle be opened quickly and easily?

 

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Caps and Seals

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  1. Waters

    Cap Mat, PTFE/Silicone 96 WS PRE-SL 5/P

    $134.44
    sku: WT186000857
  2. Waters

    PolyProp Mat Caps for 186002482

    $190.00
    sku: WT186002484
  3. Waters

    SEALING CAP

    $177.78
    sku: WTWAT058959
  4. Supelco

    PK100 20MM PRESSURE RELEASE SEAL,PTFE/SI

    $168.75
    sku: SU27455-U
  5. Waters

    Cap-mat,7mm round plug,sil/PTFE,Slit,5Pk

    $84.44
    sku: WT186006332
  6. Waters

    Cap-mat, 7 mm round plug, silicone/PTFE

    $72.22
    sku: WT186006333
  7. Waters

    Cap-mat square plugs, sil/PTFE, 5 Pack

    $72.22
    sku: WT186006334
  8. Waters

    Cap-mat square plugs, sil/PTFE, Slit,5Pk

    $84.44
    sku: WT186006335
  9. Waters

    Black Cap with PTFE Septum, 100 pack

    $31.11
    sku: WT186007198
  10. Agilent Technologies

    Hdspc Al sfty crmp cap,Tef/Si, 20 mm, 100PK

    $96.14
    sku: AG5183-4478
  11. Agilent Technologies

    Hdspc Al crmp cap, Tef/btyl, 20 mm, 100PK

    $103.84
    sku: AG5183-4479
  12. Agilent Technologies

    Clear snap cap, slit Tef/Si septa 100PK

    $58.10
    sku: AG5183-4511
  13. Agilent Technologies

    Cap, crimp, silver aluminum, 11 mm, PTFE/silicone/PTFE septa

    $34.99
    sku: AG5181-1211
  14. Agilent Technologies

    Cap, snap, clear, solid polyethylene membrane septa, 100 pcs.

    $15.35
    sku: AG5182-0542
  15. Agilent Technologies

    Cap, screw, blue, PTFE/red silicone septa, 100 pcs.

    $30.82
    sku: AG5182-0717
  16. Agilent Technologies

    Cap, screw, red, PTFE/red silicone septa, 100 pcs.

    $31.94
    sku: AG5182-0719
  17. Agilent Technologies

    Cap, screw, red, PTFE/white silicone septa, 100 pcs.

    $44.93
    sku: AG5182-0722
  18. Agilent Technologies

    Cap, screw, red, PTFE/silicone/PTFE septa, 100 pcs.

    $54.69
    sku: AG5182-0725
  19. Agilent Technologies

    Cap, for storage vials, 15-425, closed top, PTFE/silicone septa

    $43.94
    sku: AG5183-4302
  20. Agilent Technologies

    Cap, screw, blue, PTFE/red silicone septa, 500 pcs.

    $139.20
    sku: AG5185-5820
  21. Waters

    Polyprop. Cap w/Bnded PTFE Sil.Septa 100

    $34.44
    sku: WT186000274
  22. Waters

    Snap Cap 12x32 w/PTFE/Sil. Septa 100/pk

    $38.89
    sku: WT186000303
  23. Waters

    Snap Cap 12x32 w/pre-slit PTFE/Sil.Septa

    $44.44
    sku: WT186000304
  24. Waters

    Scr. Cap 12x32 w/bnded pre-slit PTFE/Sil

    $43.33
    sku: WT186000305
  25. Waters

    ONE-STEP BK CAP W/PTFE SEPTA

    $32.22
    sku: WT186000328
  26. Waters

    Cap,Blk polypro,w/bnd PTFE/sil spta 100/

    $56.67
    sku: WT186000841
  27. Waters

    Cap,Blk poly,bnd prsl PTFE/sil spta 100/

    $70.00
    sku: WT186000842
  28. Waters

    15mm S Cap w/Bonded PTFE/Sil Septa 1000

    $562.22
    sku: WT186000965
  29. Waters

    Cap, 20-400 scr thrd, open top blk phen

    $54.44
    sku: WT186001421
  30. Waters

    15mm Scw Cap w/Bnd Pslt PTFESil Sep 1000

    $668.89
    sku: WT186001919
  31. Waters

    Green Scr. Cap Pre-slt 9mm w/bnded PTFE

    $43.33
    sku: WT186002127
  32. Waters

    Red Scr. Cap Pre-slt 9mm w/bnded PTFE

    $43.33
    sku: WT186002128
  33. Waters

    Red Poly. Scr. Cap w/bnded PTFE/Sil Sept

    $34.44
    sku: WT186002129
  34. Waters

    Green Poly. Scr. Cap w/bnded PTFE/Sil

    $34.44
    sku: WT186002130
  35. Waters

    White 9mm Cap w/Bnded PTFE Sil.Septa 100

    $34.44
    sku: WT186002456
  36. Waters

    White scr Cap w/bnd pre-slt PTFE/Sil

    $43.33
    sku: WT186002457
  37. Waters

    One-Step Black Cap w/PTFE Septa

    $32.22
    sku: WT186002645
  38. Waters

    One-Step Red Cap w/PTFE Septa

    $32.22
    sku: WT186002646
  39. Waters

    Snap Cap Red 12x32 w/PS PTFE/Sil Septa

    $44.44
    sku: WT186002647
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Choice of the appropriate closure depending on the type of bottle

Depending on the type of bottle used, the appropriate closure must be selected:

  • Screw caps: Open (for use with various septa) or closed (for sample storage)
  • Short thread caps: Open (for septa use) or closed (for sample storage)
  • UltraBond screw caps: For ND9 and ND24; The caps and septums are inextricably linked.
  • Flanging caps: With the septum ready assembled
  • Headspace caps: Safety caps for headspace analyzes with a predetermined breaking line, in order to avoid bursting of the bottle if the internal pressure is too high.
  • Snap-on caps: Hard or soft polyethylene; Only open (for use of septa)
  • The short thread and crimp caps are also available in magnetic design for the respective car samplers (e.g., CTC).