Double spike isotopic standards and associated isotope dilution mass spectrometry methods are demonstrated to be accurate and suitable for precise quantitative chemical analysis.
The retrieved papers include studies specifically investigating double isotope dilution mass spectrometry (ID2MS) and double-spike isotope dilution techniques. These papers validate the high accuracy and suitability of double-spike isotopic standards for quantification tasks such as analyzing mycotoxins in food and creatinine in serum. No papers refute the claim.