A good rule of thumb is: 1  for difficult separations (Î´CV â¤ 1) use up to 100 g (~200 mL) of silica gel per gram of compound to be purified (1% load) 2  for normal separations (1 â¤ Î´CV â¤ 5) use from 20 to 90 g (~40-180 mL) of silica gel per gram of compound to be purified (2-9% load)
Typical costs: 1  According to the Academy of Managed Care Pharmacy , insulin pumps cost between $4,500 and $6,500 for individuals without insurance. The price varies depending upon the features, brand and size of the pump. 2  Some insurance plans will cover the cost of the pump.
Once you have talked with your diabetes care team and have become comfortable with all of the options on your insulin pump, you and your team will need to do the following in order to get you started. Determine how much insulin to use in the insulin pump by averaging the total units of insulin you use per day for several days. (You may start with about 20% less if you are switching to rapid-acting insulin.)