What is the sodium acetate used for in the Fluoride in Acid Solutions, Method 8323?
Sodium Acetate in Fluoride Method 8323
Method 8323 for Fluoride in Acid Solutions includes a sodium acetate solution in the test procedure. In acidic solutions, the Fluoride Ionic Strength Adjustor (ISA) may not be strong enough to adjust the pH and ionic strength, so the sodium acetate is used in conjunction with the ISA to ensure that the correct pH and ionic strength of the sample is reached. Sodium acetate is not available from Hach.