Magnetic screw caps, ND18 and septum

: MACHEREY-NAGEL

Magnetic screw caps, ND18 and septum

: MACHEREY-NAGEL

The magnetic screw closures are ready assembled with septa suitable for headspace GC.

Magnetic srew caps with or without center hole
Flat surface of cap for a safe grip at the magnet
Thinner septum (1,5 instead of 3 mm) for a precise penetration of the needle (especially for SPME)
Septa made from high quality silicone/PTFE (also slitted), Butyl/PTFE or Red Rubber/TEF

Frequently Bought Together

VWR®, Nitrile Gloves

: VWR Collection

Cryogenic vials, Nalgene®

: Thermo Fisher Scientific

Methanol ≥99.8%, HiPerSolv CHROMANORM® Reag. Ph. Eur., gradient grade for HPLC

: VWR Chemicals

Cryoboxes, Nalgene®

: Thermo Fisher Scientific

Capillary micropipettes, MICROMAN® E

: GILSON

Acetone ≥99%, TECHNICAL

: VWR Chemicals

VWR® ARISTAR®, Fluoride Standard Solution, 1000 mg/L F- in Water (from NaF) Standard for Ion Chromatography

: VWR Chemicals

Crimp neck vials, N 11

: MACHEREY-NAGEL

Orthophosphoric acid 85% ≥85%, BAKER ANALYZED® ACS, J.T.Baker®

: Avantor

Xylene (mixture of isomers) ≥98%, TECHNICAL

: VWR Chemicals

Headspace screw neck vials, N 18

: MACHEREY-NAGEL

Nitrite standard solution, 1000 mg/L NO₂- in Water (from NaNO₂) Certipur®, Supelco®

: Merck

Screw neck vials, N 9

: MACHEREY-NAGEL

Acetone ≥99.5%, Laboratory Reagent

: Honeywell Chemicals

Methyl viologen dichloride hydrate 98%

: Thermo Fisher Scientific

Slip-on baffle, BOLA

: Bohlender

Programmed test mix, in dichloromethane (varied conc.), certified reference material, Supelco®

: Merck