Solution for calibrating a chemical analyzer for alcohol, carbonate and ammonia assays

Abstract

A multi-analyte calibration solution having known amounts of sodium carbonate, ammonium bicarbonate, and ethyl alcohol, with pH adjusted within a range between about 7.8 and 8.4.

1 . A multi-analyte calibration liquid solution having therein purified water as a base and known amounts of sodium carbonate, ammonium bicarbonate, and ethyl alcohol, the solution further having pH adjusted to a value within a range between about 7.8 and 8.4, said calibration solution further being capable of use in clinical assay methods for determination of blood alcohol, total serum carbonate, and blood ammonia.  
   
   
       2 . The calibration solution of  claim 1  further comprising a preservative selected from the group consisting of an antibiotic isolated from strains of  Bacillus polymyxa,  sodium pyrithione and polyhexamethylene biguanide.