The volumetric flask is a common consumable. How to judge whether the purchased volumetric flask is qualified? Let’s give a simple form to everyone so that everyone can easily judge whether the glass container is qualified. You can fill the container with water and check with the balance.
The standard capacity of the capacity bottle is 20 °C.
Volume (mL) | Glass instrument standard volume tolerance(±)/mL | |
A grade | B grade | |
2000 mL | 0.6 | 1.2 |
1000 mL | 0.4 | 0.8 |
500 mL | 0.25 | 0.5 |
250 mL | 0.15 | 0.3 |
200 mL | 0.15 | 0.3 |
100 mL | 0.1 | 0.2 |
50 mL | 0.05 | 0.1 |
25 mL | 0.03 | 0.06 |
10 mL | 0.02 | 0.04 |
5 mL | 0.02 | 0.04 |