NMR chemical shifts can be defined relative to different reference compounds
Is it true that NMR chemical shifts can be defined relative to different reference compounds?
The use of reference compounds (such as TMS) to define NMR chemical shifts is a fundamental and standard practice in spectroscopy, requiring no citation.
Verdict: COMMON KNOWLEDGE · 0 sources for, 0 against · Last checked
The claim that NMR chemical shifts can be defined relative to different reference compounds is a standard, fundamental fact of analytical chemistry and spectroscopy (e.g., referencing to TMS, DSS, or solvent signals depending on the nucleus and conditions). According to the instructions, a trivially true statement of direct observation or established definition is classified as COMMON_KNOWLEDGE, requiring no citations.
What does the evidence say?
The claim that NMR chemical shifts can be defined relative to different reference compounds is a standard, fundamental fact of analytical chemistry and spectroscopy (e.g., referencing to TMS, DSS, or solvent signals depending on the nucleus and conditions). According to the instructions, a trivially true statement of direct observation or established definition is classified as COMMON_KNOWLEDGE, requiring no citations.
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