WebSep 9, 2024 · Using the gram balance, obtain the weight of your 96 well microplate and record in your notebook. Using the p200 micropipette with tip, dispense 50 µl of dye into the wells written on the design card. Once you have finished pipetting, weigh your completed microplate, and record in your lab notebook. WebJun 18, 2024 · Obtain a “shape sheet” from your instructor, and then use the ruler to measure the dimensions of the two geometric shapes on it. Measure the length and width of the rectangle, and the diameter of the circle. Record these measurements on your report form. When finished, return the ruler to the stockroom.
Calibration of Volumetric Glassware - Portland State University
WebThe following steps should be followed for effective reverse pipetting: Push the plunger slightly past the first stop but not as far as the second stop. Insert the pipette tip into the liquid and ensure the smooth transfer of liquid to the top. Dispense the liquid to the first stop, leaving any residue in the tip. WebMar 23, 2024 · Pipette against the sidewall or into the liquid that’s already there. 10. Test Your Accuracy. Check the accuracy of your pipetting technique by dispensing 100 µL onto a fine balance. The mass of the droplet you make should be around 0.1 g. Now do the same thing 10 times and record the masses you obtain. chinese new year designs
Kimax 1/2ml TD 10sec 20°C Glass Pipette eBay
WebA graduated pipette is a pipette with its volume, in increments, marked along the tube. It is used to accurately measure and transfer a volume of liquid from one container to another. [1] It is made from plastic or glass tubes and has a tapered tip. Along the body of the tube are graduation markings indicating volume from the tip to that point. WebThe balance should read the mass of the water. Assuming the temperature of the lab is close to 20°C divide the mass of the water by 0.9982 g/ml. This is an accurate way to tell how many ml were actually measured using the tool. Repeat the measurement three times. Three true measurements can be used to determine an average and standard deviation. WebJan 8, 2024 · Count how many full drops are possible (there should be some liquid remaining in the pipette). Then, using the modified transfer pipette, measure the volume of the combined drops in the tube. To estimate bubble size, fill the modified transfer pipette to 400 µL without any pressure on the bulb. grand rapids flights to tampa florida