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Merck

GC Analysis of Alkyldiol Enantiomers on Astec® CHIRALDEX G-TA

GC Analysis of Alkyldiol Enantiomers on Astec® CHIRALDEX™ G-TA suitable for GC

材料

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1,2-丙二醇

puriss. p.a., ACS reagent, ≥99.5% (GC)

1,2-丙二醇

tested according to Ph. Eur.

1,2-丙二醇

meets analytical specification of Ph. Eur., BP, USP, ≥99.5%

1,2-丙二醇

analytical standard

DL-1,2-己二醇

98%

1,2-辛二醇

98%

1,2-戊二醇

96%

(R)-(+)-1,2-Octanediol

≥95.0% (sum of enantiomers, GC)

CONDITIONS

column

Astec CHIRALDEX G-TA, 40 m x 0.25 mm I.D., 0.12 μm (73034AST)

oven

80 °C (5 min), 5 °C/min to 130 °C

carrier gas

hydrogen, 25 psi

injection

1 μL, 100:1 split

sample

peaks 1-2: propanediol (1.96 and 2.44 min)

peaks 3-4: pentanediol (2.87 and 3.27 min)

peaks 5-6: hexanediol (4.33 and 5.03 min)

peaks 7-8: octanediol (9.68 and 10.18 min)

描述

法律資訊

Astec is a registered trademark of Merck KGaA, Darmstadt, Germany
CHIRALDEX is a trademark of Sigma-Aldrich Co. LLC