1 — NS stopper
Interchangeable ground joint — any NS stopper of the same code seals. PE supplied, PTFE optional.
Volumetric Flask, Class A
One-mark flask, individually calibrated and serialised.
Our flagship instrument. Each flask is calibrated to contain (TC/IN) at 27 °C in our NABL-accredited laboratory, then laser-etched with a unique serial number traceable to a downloadable calibration certificate. Sharp, durable amber-stain graduation ring and inert PE or PTFE-sleeved glass stopper.
Material
Borosilicate glass 3.3 (ASTM E438 Type I, Class A)
Complies with
Ordering information 8 variants
| Cat. no. | Capacity / size | Class | Tolerance | Joint | Pack |
|---|---|---|---|---|---|
| VTN-101-05 | 5 mL | A | ±0.025 mL | NS 10/19 | 2 |
| VTN-101-10 | 10 mL | A | ±0.025 mL | NS 10/19 | 2 |
| VTN-101-25 | 25 mL | A | ±0.04 mL | NS 10/19 | 2 |
| VTN-101-50 | 50 mL | A | ±0.06 mL | NS 12/21 | 2 |
| VTN-101-100 | 100 mL | A | ±0.10 mL | NS 14/23 | 2 |
| VTN-101-250 | 250 mL | A | ±0.15 mL | NS 14/23 | 1 |
| VTN-101-500 | 500 mL | A | ±0.25 mL | NS 19/26 | 1 |
| VTN-101-1000 | 1000 mL | A | ±0.40 mL | NS 24/29 | 1 |
Why this one
- Individual work certificate with measured value — verify online by serial number
- Laser-etched serialisation; will not wear off with autoclaving
- Interchangeable NS stopper, PE or PTFE
- Batch-wise gauge R&R documented
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