Ready References
Techniques in Microbiology
Preventing and Handling Chemical Accidents
Preparation of Solutions, Part 1
Preparation of Solutions, Part 2
Determining the Amount of Reagent Needed for Solution Preparation
Preserving Biological Specimens
Ready
References 
Preventing
and Handling Chemical Accidents 
Preparation
of Solutions, Part 1
Preparation
of Solutions, Part 2
Determining
the Amount of Reagent Needed for Solution Preparation