Items listed must be REFRIGERATED and SHIP VIA OVERNIGHT directly from the manufacturer. Manufacturer's minimum order quantity applies. All items in the section that are added to an on-line order, will be placed on hold to verify manufacturers minimums and correct shipping method.

Butterfield’s Phosphate Buffer contains monobasic potassium phosphate and is used extensively in the food, dairy and pharmaceutical industries. Offered in 90 mL and 99 mL volumes for easy 1:10 dilutions. It is recommended as a general diluent in laboratory procedures by the Federal Drug Administration and in the Bacteriological Analytical Manual. This product is prepared according to Standard Methods for the Examination of Water and Wastewater for use in water testing.

Phosphate Buffer with Magnesium Chloride is used as the diluent for the preparation of dilutions in plate counts in the dairy and food industries. It is recommended by the APHA for the recovery of injured microorganisms from dairy and food samples. Contains deionized water, monopotassium phosphate and magnesium chloride.