1NS stopper

Interchangeable ground joint — any NS stopper of the same code seals. PE supplied, PTFE optional.

VTN-104Serialised · verify online

Micro Volumetric Flask, Class A

1–5 mL flasks for trace and HPLC standard work.

Micro flasks for trace analysis and HPLC standard preparation, calibrated gravimetrically with 5-figure balances under ISO/IEC 17025 scope.

Material

Borosilicate glass 3.3 (ASTM E438 Type I, Class A)

Complies with

ISO 1042USP <31>

Ordering information 3 variants

Cat. no.Capacity / sizeClassToleranceJointPack
VTN-104-11 mLA±0.010 mLNS 7/162
VTN-104-22 mLA±0.015 mLNS 7/162
VTN-104-55 mLA±0.025 mLNS 7/162

Why this one

  • Gravimetric calibration, certificate per flask
  • PTFE micro stopper NS 7/16
  • Optional amber (suffix -AM)
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