Application of partial least square on quantitative analysis of L-, D-, and DL-tartaric acid by terahertz absorption spectra.
Absorption spectra of polycrystalline L-, D-, and DL-tartaric acid have been measured by terahertz time domain spectroscopy (THz-TDS). Different absorption bands are observed for DL-tartaric acid and its enantiomers (L- and D-tartaric acid). This result shows that the THz-TDS can be used for distinguishing between DL-tartaric acid and enantiomers (L- and D-tartaric acid). Moreover, partial least square (PLS) can be found to improve the quantitation of L-tartaric acid in L- and DL-tartaric acid mixture by THz-TDS.
Nishikiori
Rika
R
Faculty of Pharmaceutical Sciences, Osaka Ohtani University, 3-11-1 Nishikiori-kita, Tondabayashi, Osaka 584-8540, Japan.
Yamaguchi
Mariko
M
Takano
Keisuke
K
Enatsu
Tokujiro
T
Tani
Masahiko
M
de Silva
U Chandimal
UC
Kawashita
Norihito
N
Takagi
Tatsuya
T
Morimoto
Shotaro
S
Hangyo
Masanori
M
Kawase
Masaya
M
D007202:Indicators and Reagents; D016018:Least-Squares Analysis; D013237:Stereoisomerism; D013644:Tartrates / Q000032:analysis*
D007202:Indicators and Reagents; D013644:Tartrates; C029768:tartaric acid