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Organic Acids on Ultra Aqueous C18

PeakstR (min)Conc.
1.Tartaric acid3.252,000
2.Quinic acid3.492,000
3.Malic acid3.942,000
4.Citric acid5.862,000
5.Fumaric acid8.5910
ColumnUltra Aqueous C18 (cat.# 9178575)
Dimensions:250 mm x 4.6 mm ID
Particle Size:5 µm
Pore Size:100 Å
Temp.:50 °C
Standard/SampleFruit juice organic acid standard (cat.# 35080)
Inj. Vol.:5 µL
Mobile Phase0.1% phosphoric acid in water
Flow:1.0 mL/min
DetectorUV/Vis @ 214 nm
InstrumentShimadzu UFLCXR