Practical, no-fluff guides written for people who actually run the instruments — how to choose a column, which rotor fits your centrifuge, what to check before buying used equipment. Everything here is written and maintained by the Mr. Scientific team.
Chromatography
HPLC Column Selection Guide
Particle size, pore size, column dimensions, C18 vs C8 vs phenyl, HILIC and ion exchange, method transfer to UHPLC, and a troubleshooting table for tailing, ghost peaks and rising backpressure.
HPLC Column Maintenance Guide
Flushing, storage and guard columns, a symptom table that separates column faults from system faults, and clear signs it's time to clean, swap a consumable or replace the column.
Centrifugation
Centrifuge Rotor Compatibility
Which rotors fit Eppendorf 5804/5810, Thermo Sorvall ST and Legend X1, Heraeus Multifuge and Beckman Coulter Allegra centrifuges — with capacities, maximum speeds and a checklist for buying a used rotor safely.
Vacuum Pumps
Vacuum Pump Parts: Wear Parts and Rebuild Guide
Which vanes, seals, gaskets and diaphragms wear out first, the warning signs to watch for, how to match OEM part numbers and fittings, and when to swap a part, rebuild or replace the pump.
Shop by category
- Chromatography systems and chromatography supplies
- Centrifuges and rotors, buckets and adapters
- Vacuum pumps and pump fittings and adapters
- Microscopes
- All inventory
More guides are in progress. If there is a topic you would like us to cover, or a part you cannot find, get in touch.