Table 2 Linear equations, correlation coefficients (R2), IDL, IQL, MDL and MQL data for four cobalamins and Co(II).

From: Simultaneous determination of vitamin B12 and cobalt (II) in infant milk power using liquid chromatography-inductively coupled plasma mass spectrometry

Analyte

Linear Equations

R2

IDL

(µg/L)

IQL

(µg/L)

MDL (µg/kg)

MQL

(µg/kg)

Co(II)

y = 21276x + 14,749

0.9998

0.029

0.087

0.144

0.480

OH-Cbl

y = 14327x − 198

1.0000

0.039

0.117

0.197

0.655

CN-Cbl

y = 16750x − 203

0.9999

0.053

0.159

0.267

0.890

Ado-Cbl

y = 12809x − 152

0.9999

0.042

0.126

0.209

0.698

Me-Cbl

y = 15807x − 144

0.9997

0.056

0.168

0.278

0.927

Back to article page