What are the advantages of analytical balance?

Answer 1

An analytical balance is typically defined as a balance with a display resolution of 0.1mg. Usually it will have a draft shield around it. Although it can be used to describe any precision balance.

Answer 2

An analytical balance is used to measure mass when a basic laboratory balance is not accurate enough. The weighing pan of a high precision balance are enclosed so that dust and air currents don’t affect the balance’s results. Special airfoils allow smooth, turbulence-free airflow so that masses can be weighed down to 1 microgram with accuracy. Samples measured in analytical balances must be at room temperature. This prevents convection from forming air currents inside the enclosure and affecting the reading.

They typical procedure for using an analytical balance is as follows.

1. Check the level bubble to make sure the balance is level. If it isn’t, use the rear balance feet as leveling screws.
2. Turn the balance on. The electronic display with light up and reset to 0.0000.
3. Using tongs, put a creased weighing paper onto the pan.
4. Close the doors on the balance. A light will go out when the air inside the balance has stabilized. If you need to know the mass of the weighing paper, record it now.
5. Next, press the control bar to “zero out” and cancel the weight of the weighing paper. The display will once again read 0.0000.
6. Add the substance to be weighed up until you achieve the desired mass. You may not be able to reach a very specific mass exactly.
7. Close the glass doors and wait until the light goes out indicating that the weighing chamber has stabilized. Then record the mass displayed.
8. Ensure that you don’t lean on the bench while using the analytical balance. This could affect the reading.
9. When you’re done, use the special brush to clean up any spills in the weighing chamber.

Answer 3

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Answer 4

An electronic scale that can measure the mass of an object to an accuracy of ± 0.0001 grams

Answer 5

Analytical balances are used for quantifying small changes in mass. They are accurate to at least 0.0001 g. They can detect mass changes due to deposition, evaporation, and gas evolution.

Answer 6

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