Bacteriostatic Water Guides
Sterile Filtration: What a 0.22 Micron Filter D...
What "sterilizing-grade" actually means, what gets through a 0.22 µm membrane, why filtration cannot fix a contaminated vial, and how filters are integrity-tested.
Sterile Filtration: What a 0.22 Micron Filter D...
What "sterilizing-grade" actually means, what gets through a 0.22 µm membrane, why filtration cannot fix a contaminated vial, and how filters are integrity-tested.
Antimicrobial Effectiveness Testing (USP <51>):...
The test behind the word "bacteriostatic": five challenge organisms, a million cells per millilitre, and the log reductions the preservative must achieve at 7, 14 and 28 days.
Antimicrobial Effectiveness Testing (USP <51>):...
The test behind the word "bacteriostatic": five challenge organisms, a million cells per millilitre, and the log reductions the preservative must achieve at 7, 14 and 28 days.
70% vs. 99% Isopropyl Alcohol for Wiping Vial S...
The counter-intuitive answer, explained: why the weaker solution disinfects better, how long it needs, and how to wipe a stopper so the wipe actually does something.
70% vs. 99% Isopropyl Alcohol for Wiping Vial S...
The counter-intuitive answer, explained: why the weaker solution disinfects better, how long it needs, and how to wipe a stopper so the wipe actually does something.
Bacteriostatic Water vs. Ultrapure (Type I) Water
Purity measured by what is absent versus a product defined by what is guaranteed. The ASTM Type I specification against the bacteriostatic water monograph, and why each fails the other...
Bacteriostatic Water vs. Ultrapure (Type I) Water
Purity measured by what is absent versus a product defined by what is guaranteed. The ASTM Type I specification against the bacteriostatic water monograph, and why each fails the other...
Bacteriostatic Water vs. HPLC-Grade Water
One is made for the mobile phase, the other for preserved multi-use handling. Specifications side by side and the reasons each is wrong for the other job.
Bacteriostatic Water vs. HPLC-Grade Water
One is made for the mobile phase, the other for preserved multi-use handling. Specifications side by side and the reasons each is wrong for the other job.
Bacteriostatic Water Alternatives: What Laborat...
Six alternatives compared on sterility, preservation, ionic content and analytical interference, with the situations that call for each.
Bacteriostatic Water Alternatives: What Laborat...
Six alternatives compared on sterility, preservation, ionic content and analytical interference, with the situations that call for each.