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What type of sample preparation is often required for solid samples in IR spectr
What type of sample preparation is often required for solid samples in IR spectroscopy?
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What type of sample preparation is often required for solid samples in IR spectroscopy?
Dissolving in water
KBr pellet formation
Dilution in ethanol
Heating to vaporize
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Solid samples in IR spectroscopy are often prepared by forming KBr pellets to allow for proper transmission of IR light.
Questions & Step-by-step Solutions
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Q: What type of sample preparation is often required for solid samples in IR spectroscopy?
Solution:
Solid samples in IR spectroscopy are often prepared by forming KBr pellets to allow for proper transmission of IR light.
Steps: 6
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Step 1: Take a small amount of the solid sample you want to analyze.
Step 2: Mix the solid sample with potassium bromide (KBr) powder in a small container.
Step 3: Use a mortar and pestle to grind the mixture into a fine powder. This helps to ensure even distribution.
Step 4: Take a small amount of the ground mixture and place it in a pellet press.
Step 5: Apply pressure to the pellet press to form a solid pellet from the mixture.
Step 6: Carefully remove the pellet from the press. It should be clear and thin enough to allow IR light to pass through.
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