Figure 13. Stability ofAqueousC18Column
min
0
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4
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14
mAU
-50
-25
0
25
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75
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125
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175
DAD1A, Sig=210,8Ref=360,8 of A:\01020511.AIA\SIGNAL01.CDF (AIA imported)
Sample: TobaccoExtract
Peak list:
1. oxalic acid
2. pyruvic acid
3.malic acid
4. citric acid
Inj. vol: 20µl
Column: AqueousC18
Dimensions: 250x 4.6mm, 5µm
MobilePhase: 50mMpotassium
phoshate, pH2.5
Flow: 1.0mL/min.
Det.: UV@ 210nm
Injection#168
1
2
3
4
0
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12
