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| Component | As per USP | Adjustable from | Adjustable to | Limit |
|---|---|---|---|---|
| Mobile Phase Gradient Changes | Changes to gradient composition are not recommended |
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| Mobile Phase pH | ±0.2 units | |||
| Buffer Concentration (mM) | ±10% | |||
| Column Temperature (°C) | ±10°C | |||
| Flow Rate (mL/min) | Changes to flow rate are not allowed. |
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| Column Length (mm) | Changes to column length, particle size, or inner diameter are not allowed. |
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| Column Inner Diameter (mm) | Changes to column length, particle size, or inner diameter are not allowed. |
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| Particle Size (µm) | Changes to column length, particle size, or inner diameter are not allowed. |
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| Stationary Phase | No change of the identity of the substituent permitted. |
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Choose Phenomenex columns for your analysis |
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| Choose USP column listing | ||||