2.2.2. Glucose standard stock solution (1 mg/ml)
1. Dry the glucose at 60-80 ºC for 4 h.
2. Allow to cool in a desiccator.
3. Dissolve 10 g of glucose in benzoic acid solution.
4. Make up to 10 ml in a volumetric flask.
This stock solution is stable for at least six months at 4 ºC; do not freeze.