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Weldolet is a trademarked name by Bonney Forge for internally reinforced forged branch outlet fittings. Pipet is a trademarked name by WFI for internally reinforced forged branch outlet fittings. Both comply with MSS SP-97 Internally Reinforced Forged Branch Outlet Fittings - Socket Welding, Threaded and Buttwelding Ends. Referenced in ASME B31.3-2020 304.3.1 a) (1). They are the same
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EzraA weldolet is a type of branch connection fitting that is welded onto the main pipe, whereas a pipe tee is a fitting that allows a pipe to split into two or more directions. Weldolets are specifically designed for welding, while pipe tees can be used in both welded and non-welded applications.
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How do you deliver 5.00 mL of liquid by using a transfer pipet?
To deliver 5.00 mL of liquid using a transfer pipet, you would draw up the liquid into the pipet slowly until the meniscus reaches the 5.00 mL mark on the pipet. Then, you would carefully transfer the liquid to the desired container by releasing it slowly while touching the pipet tip to the container's wall to ensure all the liquid is expelled. Remember to handle the pipet carefully to avoid spills or contamination.
What happens if you use a dirty pipet?
A test may become unfair or the chemical you're using may cause a chemical reaction
Suppose that after delivery several drops of the water cling to the inner wall of the pipet because the pipet wall is dirty How does this technique error affect the reported density of the solid?
If water drops cling to the inner wall of the pipet, the volume of water dispensed will be less than the true value, leading to a lower reported density for the solid. This is because the volume of water measured would be underestimated, causing a decrease in the calculated density of the solid.
Why is it important t o change the pipet tip after each sample has been placed into a well?
Changing the pipet tip after each sample prevents cross-contamination between samples, reducing the risk of false results. It ensures accuracy and reliability of the experiment by maintaining the integrity of each sample being dispensed.
What are the difference between td and tc pipets?
The main difference between TD (To Deliver) and TC (To Contain) pipets is the final drop of liquid. TD pipets are calibrated to deliver the specified volume of liquid, while TC pipets are calibrated to contain the volume of liquid. This means that when using a TD pipet, you should allow the last drop to remain in the tip, while with a TC pipet, you should dispense all the liquid for accurate measurements.
