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Chromatography with ZeroSept® by LABC

Zerosept

Chromatography with ZeroSept® by LABC

Overview

ZeroSept® closures are what LABC-Labortechnik calls its innovative, high-purity and high-quality closures for trace analysis. Only absolutely pure septa, i.e. septa that are as free as possible from blank values, receive the “ZeroSept®” rating. The caps fit our standard vials and threads.

The ZeroSept® AIR septum is characterised by. It does not require an elastomer, but has a comparable sealing effect. Even with multiple penetration.

Interference peak-free chromatography with ZeroSept® . As if the needle had never pierced a septum.

ZeroSept® ALUmono-O

ZeroSept® ALUmono-O are closures consisting of a pure aluminium septum. The septum is held in the cap by an O-ring. This prevents the cap from falling out and ensures a higher tightness. ZeroSept® ALUmono-O are available in the following variants.

ND11 ZeroSept® ALUmono-O

Zerosept blue/whiteThe 9mm short thread caps with high purity, 0.06mm thick aluminium septum suitable for GC-MS and LC-MS can be easily pierced with a 26 gauge needle( 0.464mm)! A colourless silicone O-ring between PP cap and aluminium septum ensures 100% tightness.

  • 9mm short thread caps with high purity, 0.06mm thick aluminium septum for GC-MS and LC-MS
  • is easily pierced by a 26 gauge needle (0.464mm)!
  • a colourless silicone O-ring between the PP cap and the aluminium septum ensures 100% tightness
  • no punching out of elastomer septum particles through the syringe needle possible
  • for single injection
Item No. Thickness HoleØ Color (cap)
120- 0644556 0,06 mm 6 mm blau
120-0885119 0,06 mm 6 mm transparent

ND11 ZeroSept® ALUmono-O

Zerosept PTFE AlumonoND11 aluminium flared cap, lacquered, with hole and groove (rolling)*, fluoroplastic O-ring** and an aluminium foil as phthalate-free septum. The closure is designed for high temperatures. Aluminium foil 0.1mm thick.

*prevents the septum from falling out of the ND11 cap during transport!
**optimum tightness without readjusting the capping pliers!

Item No. Thickness HoleØ Color (cap)
120-0401951 1,1 mm 5,5 mm colourless lacquered

VPE= 100 Stk. in a screw jar with orange lid with PTFE seal. Special sizes not listed are available on request.

ZeroSept® PTFEmono

ZeroSept® PTFEmono are closures consisting of a pure PTFE septum. The thin PTFE film is inserted into the closure in a single layer. It is not held by an O-ring and is therefore less tight than mono-O versions. ZeroSept® PTFEmono are available in the following variants. Special sizes not listed are available on request.

ND9 ZeroSept® PTFEmono PP threaded cap

Zerosept different colours

PP screw cap with PTFE foil virginal

  • Moderate sealing and counter-sealing properties
  • recommended for non-critical HPLC applications only
  • Frequently used at Merck/Hitachi and Waters
  • in the design of an aluminium flared cap; therefore also suitable for robot gripper arms
Article no. Thickness [mm] HoleØ [mm] Color (cap) Picture
120-0590853 0,25 6 blue 1
120-0591065 0,25 6 yellow 2
120-0591089 0,25 6 green 3
120-0591096 0,25 6 red 4
120-0591072 0,25 6 black 5
120-0590990 0,25 6 transparent 6

ND9 ZeroSept® PTFEmono PP threaded cap

Zerosept Magnetic with ptfe

Magnetic PP screw cap with PTFE foil virginal

  • Moderate sealing and counter-sealing properties
  • recommended for non-critical HPLC applications only
  • for CTC autosampler
  • in the design of an aluminium flared cap; therefore also suitable for robot gripper arms
Item No. Thickness HoleØ Color (cap)
120-0891967 0,25 6 gold

VPE= 100 Stk. in a screw jar with orange lid with PTFE seal

ZeroSept® AIR

Revolutionary septum for trace analysis with ZeroSept AIR technology

Visual ZeroSept AIR
  • Interference peak-free
  • pure PTFE
  • without elastomers and hydrocarbons
  • for trace analyses and multiple injections

The new septum seal with an air cushion instead of an elastomer for standard vial closures. Due to its innovative design, the ZeroSept®AIR septum PTFEvirginal/AIR/PTFEvirginal has a high tightness, even with multiple injections! The double PTFE film without an elastomer component makes the septum highly pure and very interesting for trace analysis, among other things. It fits, in combination with our standard bottles, into all common GC/ HPLC systems and can also be moved with your autosampler in the magnetic version.

Advantages of the ZeroSept®AIR septum:

  • the thickness of the ZeroSept®AIR septum is analogous to that of a conventional elastomer septum. Therefore, the flanging tool does not need to be readjusted for rolled edge closures.
  • due to the firm connection of the PTFE foils with the fluoropolymer perforated disc, the inserted ZeroSept®AIR septum does not fall out of the pre-assembled closures during transport and when piercing with the cannula, the smooth, thin foils can no longer be pressed into the sample.
  • the syringe needle cannot punch out elastomer material when piercing the septum and thus possibly contaminate the sample
  • the air-filled cavity and two pierced PTFE foils significantly reduce the evaporation of solvent and the associated change in concentration of the sample solution in the sample vial. This allows reproducible determinations from the same sample, e.g. within 24-36 hours after the initial injection. (see also ZeroSept AIR closure tightness test)”.

MOSH/MOAH analysis with ZeroSept®AIR

We offer the high-purity ZeroSept®AIR closure in the classic 100-piece pack in a screw-top jar with an orange lid with PTFE seal and, for example, a screw cap. also available as a ready-to-use MOSH/MOAH kit consisting of 100 headspace vials and 100 high purity ZeroSept®AIR ND18 caps. More

Information on the use of the ZeroSept®AIR ND18 in MOSH/MOAH analysis has been described separately in a report. In addition to MOSH/MOAH analysis, the high-purity and interference peak-free septa are also used in other analyses.

ND11 ZeroSept®AIR Verschluss

nd11 zeroseptair

Aluminum flared cap, painted, with roll* and PTFEvirginal/AIR/PTFEvirginal septum
*prevents the septum from falling out of the N11 cap during transport!

  • very good sealing property
  • phthalate free closure system
  • Made of pure PTFE and without elastomers
  • No punching out of elastomer or septum particles by syringe cannula possible
  • for liquid-liquid extractions (e.g. MOSH MOAH)
  • suitable for trace analysis and multiple injections
Item No. Thickness HoleØ Color (cap) Picture
120-0916639 1,2 5,5 blue 1
120-0916608 1,2 5,5 colorless 2
120-0916653 1,2 5,5 gold 3
120-0916615 1,2 5,5 green 4
120-0916622 1,2 5,5 red 5

VPE= 100 Stk. in a screw jar with orange lid with PTFE seal

ND18 ZeroSept®AIR closure:

magnetic fine thread screw caps Magnetic fine thread steel screw cap and PTFEvirginal/AIR/PTFEvirginal septum
  • very good sealing property
  • phthalate free closure system
  • Made of pure PTFE and without elastomers
  • No punching out of elastomer or septum particles by syringe cannula possible
  • for liquid-liquid extractions (e.g. MOSH MOAH)
  • suitable for trace analysis and multiple injections
Item No. Thickness HoleØ Color
120-0916660 2,5 mm 8 mm silver

VPE= 100 Stk. in a screw jar with orange lid with PTFE seal

ND20 ZeroSept®AIR closure Alu & magnetic

Aluminium flare caps Aluminum flared cap + magnetic ring and PTFEvirginal/AIR/PTFEvirginal septum
  • very good sealing property
  • phthalate free closure system
  • Made of pure PTFE and without elastomers
  • No punching out of elastomer or septum particles by syringe cannula possible
  • for liquid-liquid extractions (e.g. MOSH MOAH)
  • suitable for trace analysis and multiple injections
Item No. Thickness HoleØ Color (cap)
120-0916714 2,8 8 blue

VPE= 100 Stk. in a screw jar with orange lid with PTFE seal

ND20 ZeroSept®AIR closure steel flared cap, magnetic

Steel flare caps Steel flared cap, magnetic, painted and PTFEvirginal/AIR/PTFEvirginal septum
  • very good sealing property
  • phthalate free closure system
  • Made of pure PTFE and without elastomers
  • No punching out of elastomer or septum particles by syringe cannula possible
  • for liquid-liquid extractions (e.g. MOSH MOAH)
  • suitable for trace analysis and multiple injections
Article no. Thickness HoleØ Color (cap) Picture
120-0916691 2,5 mm 6 mm Steel silver magnetic 1
120-0916707 2,5 mm 8 mm Steel silver magnetic 2

VPE= 100 Stk. in a screw jar with orange lid with PTFE seal

ND20 ZeroSept®AIR Closure Aluminum

Aluminium crimp caps 2

Aluminum flared cap, painted and PTFEvirginal/AIR/PTFEvirginal septum

  • very good sealing property
  • phthalate free closure system
  • Made of pure PTFE and without elastomers
  • No punching out of elastomer or septum particles by syringe cannula possible
  • for liquid-liquid extractions (e.g. MOSH MOAH)
  • suitable for trace analysis and multiple injections
Item No. Thickness HoleØ Color (cap) Picture
120-0916677 2.5 mm 10 mm colorless 1
120-0916738 2.5 mm 10 mm colorless All tear-off 2
120-0916721 2.5 mm 10 mm colorless center tear 3
120-0916684 2.5 mm 10 mm colorless Overpressure protection 4

VPE= 100 Stk. in a screw jar with orange lid with PTFE seal

ZeroSept® FUN

ZeroSept® FUN is designed for interference-free analyses with ND9 short thread bottles, among others. As part of the high-purity ZeroSept® range, it is ideally suited for special analyses.
ZeroSept® FUN is characterized by its resealable properties and the highly inert and plasticizer-free polypropylene.

ND8 ZeroSept® SILP

  • very good sealing property
  • Suitable for multiple injections
  • phthalate free closure system
  • made of pure polypropylene, therefore free from pfas
  • No punching out of elastomer or septum particles by syringe cannula possible
  • suitable for trace analysis and multiple injections
ZeroSept-FUN-alle
Item no: Cap color: Membrane: Hole-Ø:
120-0341325 red 1.7 mm 6 mm
120-0341189 yellow 1,7 mm 6 mm
120-0341301 green 1,.7 mm 6 mm
120-0341318 blue 1,7 mm 6 mm
120-0341288 black 1.7 mm 6 mm
120-0402712 white 1.7 mm 6 mm

The ND9 – ZeroSept® FUN closures are packed in 100 pieces in a jar.

ZeroSept® SILP

ZeroSept® SILP are high purity silicone closures. Our silicone is a new and particularly clean compound and ensures low-interference peak measurements. The silicone septa are laminated with a PTFE barrier film. With 38° shore, the septum is also very soft. ZeroSept® SILP are available in the following variants. Special sizes not listed are available on request.

ND8 ZeroSept® SILP

ND8 threaded caps silicone

ND8 PP threaded cap (thread 8-425) with silicone natural / PTFE colorless (ultra pure)

  • Very soft
  • Ideal for inorganic analysis
  • Low alkan
  • Tempered and elaborately washed
Article no. Thickness HoleØ Color (cap) Picture
120-0891059 1,2 mm 5,5 mm black 1
120-0890113 1,2 mm 5,5 mm white 2

VPE= 100 Stk. in a screw jar with orange lid with PTFE seal

ND9 ZeroSept® SILP - short thread closure

Zerosept silicone

ND9 PP short thread cap with silicone natural / PTFE colourless (ultra pure)

  • Very soft
  • Ideal for inorganic analysis
  • Low alkan
  • Tempered and elaborately washed
Article no. Thickness HoleØ Color (cap) Picture
120-0891028 1,2 mm 6 mm blue 1
120-0916257 1,2 mm 6 mm yellow 2
120-0891035 1,2 mm 6 mm green 3
120-0916226 1,2 mm 6 mm red 4
120-0916233 1,2 mm 6 mm black 5
120-0890106 1,2 mm 6 mm transparent 6

VPE= 100 Stk. in a screw jar with orange lid with PTFE seal

ND9 ZeroSept® SILP magnetic closure

Short thread caps magnetic

ND9 PP short thread cap, magnetic, with silicone natural /PTFE colorless (ultra pure)

  • Very soft
  • ideal for inorganic analysis
  • low alkan
  • tempered and elaborately washed
  • for CTC autosampler
  • in the design of an aluminum flared cap; therefore also suitable for robot gripper arms
Item No. Thickness HoleØ Color (cap)
120-0891080 1,2 mm 6 mm gold

ND11 ZeroSept® SILP closure

bild folgt

ND11 aluminum flared cap, painted, with silicone natural /PTFE colorless (ultra pure)

  • Very soft
  • ideal for inorganic analysis
  • low alkan
  • tempered and elaborately washed
  • for CTC autosampler
Article no. Thickness HoleØ Color (cap) Picture
120-0916141 1,2 mm 5,5 mm blue 1
120-0890090 1,2 mm 5,5 mm colourless 2
120-0916158 1,2 mm 5,5 mm gold 3
120-0916127 1,2 mm 5,5 mm green 4
120-0916134 1,2 mm 5,5 mm red 5
VPE= 100 Stk. in a screw jar with orange lid with PTFE seal

ND20 ZeroSept® SILP - Heaspace closure

bild folgt ND20 flared cap with silicone natural /PTFE colourless (ultra pure)
  • Very soft
  • ideal for inorganic analysis
  • low alkan
  • tempered and elaborately washed
  • HT quality
  • 38° Shore
  • Temperature range -60 °C to +200°C
Article no. Cap type Thickness HoleØ
120-0891073 Standard hole cap/aluminum 3,2 mm 10 mm
120-0891622 Headspace cap/aluminum 3,2 mm
120-0891615 magnetic, bimetal/blue 3,2 mm 8 mm
VPE= 100 Stk. in a screw jar with orange lid with PTFE seal

ND24 ZeroSept® SILP EPA closure

ND24 screw cap silicone

ND24 PP EPA screw cap with silicone natural /PTFE colorless (ultra pure)

  • Very soft
  • ideal for inorganic analysis
  • low alkan
  • tempered and elaborately washed
  • for EPA bottles
Item No. Thickness HoleØ Color (cap)
120-0591515 3 mm without white
120-0891097 3 mm 12 mm white

VPE= 100 Stk. in a screw jar with orange lid with PTFE seal

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