1 — NS stopper
Interchangeable ground joint — any NS stopper of the same code seals. PE supplied, PTFE optional.
Volumetric Flask, Amber, Class A
Light-sensitive work without losing Class A accuracy.
Amber-stained Class A flask for photosensitive standards — vitamins, nitrites, silver solutions. Transmission below 10 % across 300–500 nm, individually certified like our clear Class A line.
Material
Borosilicate glass 3.3 (ASTM E438 Type I, Class A), amber stained
Complies with
Ordering information 5 variants
| Cat. no. | Capacity / size | Class | Tolerance | Joint | Pack |
|---|---|---|---|---|---|
| VTN-103-25 | 25 mL | A | ±0.04 mL | NS 10/19 | 2 |
| VTN-103-50 | 50 mL | A | ±0.06 mL | NS 12/21 | 2 |
| VTN-103-100 | 100 mL | A | ±0.10 mL | NS 14/23 | 2 |
| VTN-103-250 | 250 mL | A | ±0.15 mL | NS 14/23 | 1 |
| VTN-103-500 | 500 mL | A | ±0.25 mL | NS 19/26 | 1 |
Why this one
- UV cut-off certified per batch
- Individually serialised with online-verifiable certificate
- White-filled graduation for legibility on amber
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