Skip to main content

Table 1 Conditions of Triple Quadrupole MS

From: Determination of serum 25-hydroxyvitamin D status among population in southern China by a high accuracy LC-MS/MS method traced to reference measurement procedure

Compound Average mass Precursor ion (m/z) Preoduct ion (m/z) Cone (V) CE(V)
25(OH)VD3 400.6 383.3 257.2 (Q) 25 15
365.1 (I) 24 15
25(OH)VD3- 13C5 405.6 388.3 370.1 26 15
25(OH)VD2 412.7 395.3 119.4 (Q) 26 20
377.3 (I) 26 10
25(OH)VD2-d3 415.7 398.3 380.3 26 15
  1. CE collision energy, Q transition used for quantification, I transition used for identification