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Italy
Known as an Italian recipe, with similar versions prepared across other nations.
Ingredients 2 ingredients
- 34 g Distilled water
- Stock
Method
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- Butterfield's Fhosphate-Buf fered Dilution Water Stock solution KHjPO^ 34 g Distilled water 500 ml Adjust pH to 7.2 with 1 N NaOH.
- Bring volume to 1 litre with distilled water.
- Sterilize 15 min at 121’.
- Store in refrigerator.
- Dilution blanks Take 1.25 ml of above stock solution and bring volume to 1 litre with distilled water.
- Dispense into bottles to 90 or 99 ± 1 ml.
- Sterilize 15 min at 121*.