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Background spectra are collected after each sample to remove…

Background spectra are collected after each sample to remove solvent signals.

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TO CLEAN the FTIR only use [IA] and a [Q]. Do not use ChemWi…

TO CLEAN the FTIR only use [IA] and a [Q]. Do not use ChemWipes for risk of scratching the diamond.

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For dilute aqueous solutions, 5.00 ppm Ca is approximately 5…

For dilute aqueous solutions, 5.00 ppm Ca is approximately 5.00 mg/L Ca.

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The most defensible criterion for selecting a final analytic…

The most defensible criterion for selecting a final analytical line is:

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For edible oils (triglycerides), the most diagnostic carbony…

For edible oils (triglycerides), the most diagnostic carbonyl band is typically near:

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What is the fingerprint region in an FT-IR spectrum?

What is the fingerprint region in an FT-IR spectrum?

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A blank run after a high standard is primarily used to check…

A blank run after a high standard is primarily used to check for ____.

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For CaCO3 neutralization capacity calculations, which pieces…

For CaCO3 neutralization capacity calculations, which pieces of information are required? (Select ALL that apply)

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In an FTIR spectrum, the fingerprint region is generally les…

In an FTIR spectrum, the fingerprint region is generally less useful than the group-frequency region for distinguishing closely related compounds.

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Isopropanol (IPA) may be used as a cleaning solvent for the…

Isopropanol (IPA) may be used as a cleaning solvent for the ATR crystal between samples.

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