![Burettes - Glass with Glass key stopcork, class-AS,capacity 25ml, Sub. Div. 0.10ml Tolerance ± 0.05ml, White Graduation - eiscoindustrial](http://eiscoindustrial.in/cdn/shop/files/BurGlas_96c7aba4-7dea-4ea5-9856-27f9585b305b_1408x1408.jpg?v=1709120212)
Burettes - Glass with Glass key stopcork, class-AS,capacity 25ml, Sub. Div. 0.10ml Tolerance ± 0.05ml, White Graduation
SKU CH3062WT
Size
Graduation
- Description
- 3.3 Boro Glass Specs
- Glassware Sell Sheet
- Precision bore burette with glass key stopcock
- Calibrated to class-AS volumetric tolerances
- Made of high quality, chemical resistant borosilicate 3.3 glass
- Mechanically strong with low temperature gradient
- Individually calibrated to deliver (Ex) at 20 C reference temperature
- Easy to read chemical resistant printed scale
- Complies with DIN ISO 385 standard
- Autoclavable at 121 C
- Batch certificate available to download online
Thermal Properties
Property | Value |
---|---|
Coefficient of Linear Expansion | 32.5 x 10-7 / °C |
Strain Point | 515°C |
Annealing Point | 565°C |
Softening Point | 820°C |
Specific Heat | 0.2 |
Thermal Conductivity (Cal/cm³°C/Sec) | 0.0027 |
Chemical Durability
Contact Chemical | Duration (hours) | Loss in weight (mg/m²) |
---|---|---|
Water distilled at 100°C | 6 | 10 |
Water vapour steam at 121°C | 1 | 75 |
Acid HCl | 6 | 100 |
80% H2SO4 at 130°C | 12 | 140 |
Alkali -1N solution of Na2CO3 boiling | 6 | 4000 |
Isotonic infusion Fluids - NaCl (0.85%) at 121°C | 2.5 | 70 |
Isotonic infusion Fluids - Glucose (5%) at 121°C | 2.5 | 50 |