Separating Funnel Glass Stopcock 100-2000ml Socket Size- 19/26-29/32 LABGLASS USA
Description:
100-2000 ml Squibb separatory funnel with glass key stopcock
Graduated and non-graduated versions available
Made from high quality 3.3 borosilicate glass
Includes interchangeable polypropylene stopper
Stopper is chemical and acid resistant
19/26 to 29/32 socket size
Low temperature gradient – can withstand high temperatures and thermal shocks*
Superior chemical durability*
Autoclavable at 121°C
3.3 Borosilicate Glass Specification:
| Thermal Properties | ||
| 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 |
| Glucose (5%) at 121°C | 2.5 | 50 |
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