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Jun 10, 2024 · When using a beaker to measure liquid volume, follow these steps: Position the beaker on a level surface at eye level. Pour the liquid into the beaker until it reaches the intended volume. Read the volume by looking at the bottom of the meniscus (the curved surface of the liquid) at eye level and note the measurement.
1 cup of milk. 4 ounces of butter. Flour: Use a kitchen scale to measure 8.5 ounces (2 cups x 4.25 ounces per cup) of flour by weight for consistency. Milk: Use a liquid measuring cup to pour 8 fluid ounces of milk, ensuring the correct volume. Butter: Weigh 4 ounces of butter using a kitchen scale.
- Overview
- Using Measuring Cups and Spoons
- Using a Graduated Cylinder
- Measuring Liquid Medications
Whether you're baking a dessert or conducting a science experiment, measuring liquids accurately is important. Luckily, there's a way to do it quickly and easily. Choose the right kind of measuring device, keep it eye level when you measure, and record your measurements based on where the bottom of the meniscus falls.
Bend down to get eye level with standard measuring cups and pour.
Get a standard liquid measuring cup that has a pouring spout and at least 1 to 2 inches (2.5 to 5.1 cm) of space above the red measuring lines. These features will make pouring easier and spilling less likely. When pouring liquid into the measuring cup, bend down and look at it straight on instead of down at an angle so that your measurement is accurate.
Look down into angled measuring cups as you pour.
You can also purchase an angled measuring cup, which allows you to get an accurate measurement without bending down. Look down into the angled measuring cup as you pour in order to ensure that you measure the right amount.
Bring measuring spoons up to eye level and pour.
To measure small amounts of liquid, use standard measuring spoons. Hold the spoon level in the air straight across from your eyes. Carefully trickle the liquid into the measuring spoon until it reaches the rim.
Steady the cylinder with one hand and pour with the other.
Graduated cylinders are tall, thin glass tubes that are most commonly used to measure volume during science experiments. Hold the cylinder securely on a flat surface before using your other hand to pour so that you don't knock over the cylinder and spill the liquid.
You could also use beakers that are labeled with milliliters or ounces to get an accurate measurement.
Bring the cylinder straight up to eye level.
When measuring with a graduated cylinder, it's best to bring it up to eye level, rather than bending down, so that the risk of knocking the cylinder over is smaller. This is especially important if you're measuring chemicals.
Determine the measurement by seeing where the meniscus falls.
Read the medication's instructions and/or label carefully.
Whether you're measuring out and administering over-the-counter liquid medication or prescription medication, it's important to first read any instruction that's provided. Prescription labels typically include direct instruction on how much to take and how often. Over-the-counter medication labels include a lot of important information, including what it's used for, how to use it, and what's in it.
Weigh the person taking the medication to get an accurate dosage.
When measuring and administering over-the-counter medications, you can typically determine dosage by age or weight. Weight is much more accurate, so step on the scale to find out how much medication is needed.
Some medications determine dosage based on age or time alone. If this is the case, simply take the recommended amount for your particular age and/or don't take another dose until the instructions specify that it's safe to do so.
Use the measuring device that comes with the medication.
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Apr 22, 2024 · Pipetting procedure. Fit the disposable tip to the shaft by a slight twist without exerting pressure between the pipette and the tip. Adjust the volume. Press the button with the thumb until the first stop and, without releasing, dip the tip into the liquid from 2 to 5 mm, keeping the pipette vertical.
One of the most common and precise tools for measuring liquid volume is the graduated cylinder. A graduated cylinder is a cylindrical tube with calibrated markings on its side. Each marking represents a specific volume of liquid that has been measured. To measure the volume of a liquid using a graduated cylinder, follow these steps:
The most common graduated cylinders are 10 mL, 25 mL, 50 mL, 100 mL, 250 mL, 500 mL, 1 L, and 2 L. While most read bottom up, there are a few manufactured glassware that provide two sides to the graduated cylinder where one side is read bottom up and the other top down. Most graduated cylinders are used for measuring bottom up, as seen in every ...
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Aug 20, 2019 · Introduction. Chemists use two general methods to measure exact quantities of chemical reagents, mass determination by using chemical balances and volume determination of liquids and solutions by using calibrated glassware. Volumes can be crudely determined using the calibration markings on some beakers and flasks.
