Bacteriostatic Water
Sterile water containing 0.9% benzyl alcohol as a bacteriostatic agent$5
Laboratory Supplies
Consumables for handling and reconstituting lyophilized material in a laboratory setting.
Supplies for working with freeze-dried peptides, starting with bacteriostatic water, the sterile water with 0.9 percent benzyl alcohol that lets you draw from one vial more than once over several days.
These are tested and carry a certificate like everything else, because contaminated water contaminates every vial it goes into.
Common questions about laboratory supplies
Why bacteriostatic water instead of sterile water?
The 0.9 percent benzyl alcohol preservative lets you draw from one vial more than once over several days. Plain sterile water is for a single use.
Does bacteriostatic water have a certificate?
Yes. It is tested and has a certificate like everything else, because contaminated water contaminates every vial it goes into.
Guides for this class
How to read a certificate of analysisThe fields worth checking before an order.Reconstitution and handlingDiluent down the glass, never onto the cake.Bacteriostatic waterShelf life, volumes and what the preservative does.Storage, stability and degradationWhat each condition buys, in weeks and months.