acid separation column的用法和样例：
- The NJ SA4 colum was used as anion separation column with 1.5 mmol/L NaHCO 3 as eluate.
- Pervaporation is used in acetic acid separation as a new type of membrane separation technology.
- The simulation calculations and analysis was made for operation technology of separation column in Zimmer polyester plant.
- The treatment of ramee retting wastewater by using acid separation air floated+ fractional anaerobic+inner loop SBR process is studied.
- The principle of the discoid electrophoresis of polyacrylamide gel was explained.The composition and preparation method of gel separation column was introduced in detail.