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Diazepam, Promethizaine, Dihydralazine, Hydrochlorothiazide |
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In the test below, OPH® RP-L21 column is compared with other leading polystyrene reversed phase HPLC column. Improved column efficiency and peak shape for tailing compounds on OPH® RP-L21 column lead to better chromatography for more accurate and sensitive methods.
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| Diazepam, Promethizaine, Dihydralazine, Hydrochlorothiazide |
| Next Result |
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OPH® RP-L21 column
150 mm x 4.1 mm |
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Leading polystyrene column
(H company)
150 mm x 4.1 mm |
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Separation Conditions |
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Mobile phases |
A: 0.1% (v/v) TFA in H2O; B: 0.1% (v/v) TFA in ACN
gradient: 90-20-20-90-90 A% at 0-10-15-15.5-25 min, |
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Flow |
1.0 mL/min |
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Injection |
20 µL |
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Detection |
UV 254 nm |
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Temperature |
room temperature |
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Retention time |
minute |
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