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No phase collapse on Ultra Aqueous C18

1.Tartaric acid2,000
2.Quinic acid2,000
3.Malic acid2,000
4.Citric acid2,000
5.Fumaric acid10
ColumnUltra Aqueous C18 (cat.# 9178565)
Dimensions:150 mm x 4.6 mm ID
Particle Size:5 µm
Pore Size:100 Å
Temp.:30 °C
SampleFruit Juice Organic Acid Standard (cat.# 35080)
Diluent:deionized water
Inj. Vol.:10 µL
Mobile Phase20 mM potassium phosphate (pH 2.5)
Flow:1.0 mL/min
DetectorUV/Vis @ 226 nm
InstrumentShimadzu Prominence