Butterfield's Phosphate Buffered Dilution Water

Description Butterfield's Phosphate Buffered Dilution Water is used for preparation of microbiological dilution blanks 9 mL: One case contains 100 units. 25 mL: One case contains 100 units. 90 mL: One case contains 36 units.  99 mL: One case contains 36 units.  Formula Resources For Stock Solution Monopotassium phosphate 34g Distilled Water 500mL Adjust pH to 7.2 with 1N NaOH. Bring volume up to 1L with distilled water. Sterilize 15 min at 121C. Store in refrigerator Dilution Blanks Take 1.25mL of above stock solution and add to 1L of distilled water. Dispense into 9mL or 90mL tubes. Sterilize 15 min at 121C If you are looking for a Certificate of Analysis or other documentation not provided, please go here to submit a request. We will respond as soon as possible. Sign in or create an account to view product resources If you don't wish to create an account, you can request documentation such as a Certificate Of Analysis here