1 M Potassium Citrate pH 6.0


 * 1) to 160 ml distilled H 2 O add:
 * 2) * 53.8 g tripotassium citrate
 * 3) * 5.3 g citric acid monohydrate
 * 4) adjust pH to 6.0 using 10M KOH
 * 5) Bring final volume to 200 ml
 * 6) Pour into bottle and label
 * 7) Autoclave for sterilization