| ● FAQ |
| Q1 |
What is the pressure limit of COSMOSIL columns? |
| Q2 |
What is the flow rate limit? |
| Q3 |
What is the recommended pH range? |
| Q4 |
What is the concentration of buffer and salt? |
| Q5 |
How do I prepare the mobile phase? |
| Q6 |
What solvent grade should I use for the mobile phase? |
| Q7 |
Should I use acetonitrile or methanol for the mobile phase? |
| Q8 |
Which mobile phase can be used for LC/MS or ELSD detector? |
| Q9 |
What should I pay attention to when using ion-pairing reagents? |
| Q10 |
What flow direction should I use for the mobile phase? |
| Q11 |
What is the recommended column oven temperature? |
| Q12 |
What is the shipping solvent? |
| Q13 |
How do I wash columns? |
| Q14 |
How do I store columns? |
| Q15 |
How long does a column last? |
| Q16 |
What happens when a column deteriorates? |
| Q17 |
How can I confirm the deterioration of column? |
| Q18 |
What should I pay attention to when I use semi-micro columns? |
| Q19 |
What should I pay attention to when I use UHPLC columns? |
| Q20 |
How much sample can be loaded on a preparative column? |
| Q21 |
What should I pay attention to when I use both reversed phase and normal
phase on the same instrument? |
| Q22 |
What is the connection type? |
| Q23 |
Which detection methods should I use? |
| Q24 |
What is the common pressure unit? |
| Q25 |
What is dead volume? |
| Q26 |
What is the difference between a column pre-filter and a guard column? |
| Q27 |
How do I pre-treat samples? |
| Q28 |
How should I choose internal standards? |
| Q29 |
How should I select a stationary phase? |
| Q30 |
What is the difference between π-π interaction columns (PE-MS, πNAP, PYE)? |
