... 4.3% sodium hydroxide solution to neutral, plus 5% sulfuric acid solution heated to boiling mercury, ... (3) take the sample to neutral solution plus 7.5% of excess calcium chloride solution, no change in ... sand, but also easy to make food moisture. (5) This product should not be preservative potassium sorbate, ... ; for fruity popsicles, ice cream, with about 0.5 ~ 0.65g/klg. F. grain-based material used ...