Vials, Septa

The LABSOLUTE® kits ND24 contain shrink-wrapped screw vials ND24 made of clear or amber first hydrolytic class glass and corresponding screw caps made of PP.

Alternative Screw neck vials ND24 (EPA)

Crimp seals ND8 are made of aluminium. They are plain lacquered with a 4 mm hole and supplied with fitted septa made of a variety of materials.

These septa are temperature-resistant from -40 °C to 120 °C and ideal for multiple injections thanks to their excellent resealability properties.

Accessories Crimp neck vials and micro-vials ND8 Accessories Crimping tools Accessories Decapping tools Accessories Crimping tools Accessories Decapping tools Alternative With RedRubber / PTFE septa Alternative With silicone / PTFE septa

Screw seals ND13 are made of PP and have a 13-425 thread. They have a 8.5 mm centre hole or are closed. Screw seals are supplied with fitted septa made of a variety of materials or without any septa.

These septa are temperature-resistant from -60 °C to 200 °C and have better purity than septa made of natural rubber, butyl or RedRubber. However, they have less effective resealability properties and are therefore more suitable for single-injection applications.

Septa with a double-sided PTFE coating show a very low particle formation during penetration.

Accessories Screw neck vials ND13 Alternative With natural rubber / TEF septa Alternative With butyl / PTFE septa Alternative Without septa Alternative With RedRubber / PTFE septa

The choice of the right septa depends on the application. Many septa are PTFE coated on one side. PTFE is highly resistant against many chemicals and forms an inert border between the sample and the base material of the septa.

The septa's base material has various physical and chemical properties, like temperature resistance, resealability, cleanliness, hardness and thickness.

Natural rubber/TEF

• Temperature-resistant from -40 °C to 120 °C
• Excellent resealability properties
• Inexpensive for standard applications in the fields of GC and HPLC

RedRubber/PTFE

• Temperature-resistant from -30 °C to 110 °C
• Softer and therefore easier to penetrate than natural rubber
• Not as good resealability properties as natural rubber
• Higher chemical purity than natural rubber
• Inexpensive for standard applications in the fields of GC and HPLC

Butyl/PTFE

• Temperature-resistant from -40 °C to 120 °C
• Higher chemical purity than natural rubber and RedRubber

Silicone/PTFE

• Temperature-resistant from -60 °C to 200 °C
• More suitable for single-injection applications
• Much higher chemical purity than natural rubber and RedRubber
• Very low particle formation during penetration in case of double-sided PTFE coating
• Best for the thin and fragile needles of the autosampler
• Best for critical analysis (UltraClean quality)

Septa with a double-sided PTFE coating show a very low particle formation during penetration.

Which septum fits which cap?
Diameter of the septum	Cap
8 mm	8 mm screw caps (ND8) 8 mm crimp caps (ND8)
9 mm	9 mm short thread screw caps (ND9)
10 mm	10 mm screw caps (ND10)
11 mm	11 mm crimp caps (ND11)
12 mm	13 mm screw caps (ND13)
13 mm	13 mm crimp caps (ND13)
16 mm	18 mm crimp caps (ND18)
17.5 mm	18 mm precision thread screw caps (ND18)
19.5 mm	22 mm PE caps
20 mm	20 mm crimp caps

Accessories Without septa

The LABSOLUTE® kits ND11 contain shrink-wrapped crimp neck vials ND11 made of clear or amber first hydrolytic class glass and corresponding crimp caps made of clear lacquered aluminum with 5.5 mm centre hole.
Septa with a double-sided PTFE coating show a very low particle formation during penetration.

Alternative Kits ND8 Alternative Kits ND9 Alternative Kits ND9, certified

Crimp and headspace seals ND20 are made of aluminium and are supplied with fitted septa made of a variety of materials. There are the following different types of caps available:

Plain caps with a 10 mm center hole. These caps are suitable for standard applications. They are available in several colours on request.

Clear lacquered caps, so called headspace caps, with a special score line that breaks when the internal pressure reaches 3.0 ± 0.5 bar. The excess pressure is then released, and the risk of the vial exploding can be avoided.

Clear lacquered centre tear-off caps and complete tear-off caps. These caps are available in several colours on request.

Gold lacquered, magnetic crimp caps with 5 mm centre hole to be used with CE HS500/HS800, CTC 500, as well as Fisons HS500 / HS800 instruments.

Gold lacquered, magnetic crimp caps with 8 mm centre hole to be used with CTC Combi PAL instruments.

Red lacquered, magnetic bimetal crimp caps with 8 mm centre hole to be used with CTC Combi PAL instruments.

These septa, made of silicone white / PTFE beige, are temperature-resistant from -60 °C to 200 °C. They are 3.2 mm thick and have a hardness of 45° shore A. They have better purity than septa made of natural rubber or red rubber. However, they have less effective resealability properties and are therefore more suitable for single-injection applications.

Due to their high cleanliness, they are especially used for critical and sensitive analysis.

These seals correspond to competitor HT liner!

Accessories Crimping tools Accessories Decapping tools Accessories Crimping tools Accessories Decapping tools Accessories Crimping tool, pneumatic, manual Accessories Crimp neck and headspace vials ND20 Accessories Crimp neck and headspace vials ND20 / ND40, special dimensions Alternative With chloro-butyl septa Alternative With bromo-butyl / PTFE septa Alternative With bromo-butyl / PTFE septa, Pharma-Fix Alternative With silicone / PTFE septa, Ultraclean Alternative With silicone / aluminium septa Alternative Without septa Alternative With Viton septa

Crimp and headspace seals ND20 are made of aluminium and are supplied with fitted septa made of a variety of materials. There are the following different types of caps available:

Plain caps with a 10 mm center hole. These caps are suitable for standard applications. They are available in several colours on request.

Clear lacquered caps, so called headspace caps, with a special score line that breaks when the internal pressure reaches 3.0 ± 0.5 bar. The excess pressure is then released, and the risk of the vial exploding can be avoided.

Clear lacquered centre tear-off caps and complete tear-off caps. These caps are available in several colours on request.

Gold lacquered, magnetic crimp caps with 5 mm centre hole to be used with CE HS500/HS800, CTC 500, as well as Fisons HS500 / HS800 instruments.

Gold lacquered, magnetic crimp caps with 8 mm centre hole to be used with CTC Combi PAL instruments.

Red lacquered, magnetic bimetal crimp caps with 8 mm centre hole to be used with CTC Combi PAL instruments.

These dark grey septa are temperature-resistant from -40 °C to 120 °C and have excellent chemical properties. They are 3.0 mm thick and have a hardness of 55° shore A. Because of the missing PTFE coating, the pure butyl septa are an economic alternative for non-critical analysis.

Accessories Crimping tools Accessories Decapping tools Accessories Crimping tools Accessories Decapping tools Accessories Crimping tool, pneumatic, manual Accessories Crimp neck and headspace vials ND20 Accessories Crimp neck and headspace vials ND20 / ND40, special dimensions Alternative With bromo-butyl / PTFE septa Alternative With bromo-butyl / PTFE septa, Pharma-Fix Alternative With silicone / PTFE septa, Ultraclean Alternative With silicone / PTFE septa, HT quality Alternative With silicone / aluminium septa Alternative Without septa Alternative With Viton septa

The choice of the right septa depends on the application. Many septa are PTFE coated on one side. PTFE is highly resistant against many chemicals and forms an inert border between the sample and the base material of the septa.

The septa's base material has various physical and chemical properties, like temperature resistance, resealability, cleanliness, hardness and thickness.

Natural rubber/TEF

• Temperature-resistant from -40 °C to 120 °C
• Excellent resealability properties
• Inexpensive for standard applications in the fields of GC and HPLC

RedRubber/PTFE

• Temperature-resistant from -30 °C to 110 °C
• Softer and therefore easier to penetrate than natural rubber
• Not as good resealability properties as natural rubber
• Higher chemical purity than natural rubber
• Inexpensive for standard applications in the fields of GC and HPLC

Butyl/PTFE

• Temperature-resistant from -40 °C to 120 °C
• Higher chemical purity than natural rubber and RedRubber

Silicone/PTFE

• Temperature-resistant from -60 °C to 200 °C
• More suitable for single-injection applications
• Much higher chemical purity than natural rubber and RedRubber
• Very low particle formation during penetration in case of double-sided PTFE coating
• Best for the thin and fragile needles of the autosampler
• Best for critical analysis (UltraClean quality)

Which septum fits which cap?
Diameter of the septum	Cap
8 mm	8 mm screw caps (ND8) 8 mm crimp caps (ND8)
9 mm	9 mm short thread screw caps (ND9)
10 mm	10 mm screw caps (ND10)
11 mm	11 mm crimp caps (ND11)
12 mm	13 mm screw caps (ND13)
13 mm	13 mm crimp caps (ND13)
16 mm	18 mm crimp caps (ND18)
17.5 mm	18 mm precision thread screw caps (ND18)
19.5 mm	22 mm PE caps
20 mm	20 mm crimp caps

Accessories Without septa

The septa are especially designed for the screw caps with GL thread.

Crimp and headspace seals ND20 are made of aluminium and are supplied with fitted septa made of a variety of materials. There are the following different types of caps available:

Plain caps with a 10 mm center hole. These caps are suitable for standard applications. They are available in several colours on request.

Clear lacquered caps, so called headspace caps, with a special score line that breaks when the internal pressure reaches 3.0 ± 0.5 bar. The excess pressure is then released, and the risk of the vial exploding can be avoided.

Clear lacquered centre tear-off caps and complete tear-off caps. These caps are available in several colours on request.

Gold lacquered, magnetic crimp caps with 5 mm centre hole to be used with CE HS500/HS800, CTC 500, as well as Fisons HS500 / HS800 instruments.

Gold lacquered, magnetic crimp caps with 8 mm centre hole to be used with CTC Combi PAL instruments.

Red lacquered, magnetic bimetal crimp caps with 8 mm centre hole to be used with CTC Combi PAL instruments.

Suitable septa with a diameter of 20 mm made of different materials are available on request.

Accessories Septa, 20 mm Accessories Crimping tools Accessories Decapping tools Accessories Crimping tools Accessories Decapping tools Accessories Crimping tool, pneumatic, manual Accessories Crimp neck and headspace vials ND20 Accessories Crimp neck and headspace vials ND20 / ND40, special dimensions Alternative With chloro-butyl septa Alternative With bromo-butyl / PTFE septa Alternative With bromo-butyl / PTFE septa, Pharma-Fix Alternative With silicone / PTFE septa, Ultraclean Alternative With silicone / PTFE septa, HT quality Alternative With silicone / aluminium septa Alternative With Viton septa