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Merck

GC Analysis of Glycols on Nukol

GC Analysis of Glycols on Nukol suitable for GC

Materials

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25326

Nukol Capillary GC Column

size ร— I.D. 15 m ร— 0.53 mm, df 0.50 ฮผm

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PHR1045

Diethylene glycol

Pharmaceutical Secondary Standard; Certified Reference Material

PHR1046

Ethylene glycol

Pharmaceutical Secondary Standard; Certified Reference Material

PHR1051

Propylene glycol

Pharmaceutical Secondary Standard; Certified Reference Material

PHR1020

Glycerin

Pharmaceutical Secondary Standard; Certified Reference Material

42038

2,3-Butanediol

analytical standard, mixture of racemic and meso forms

1683708

Triethylene glycol

United States Pharmacopeia (USP) Reference Standard

CONDITIONS

column

Nukol, 15 m x 0.53 mm I.D., 0.5 μm (25326)

oven

110 ยฐC, 8 ยฐC/min to 220 ยฐC

detector

FID, 250 ยฐC

carrier gas

helium, 15 mL/min

injection

1 μL, direct

sample

100 ppm each glycol in water

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