Widely used in the following industries:
1. Food: cold drink, beverage, jelly, Popsicle, pickles, preserves, pastries, cold fruit, protein sugar, etc. Used in the food industry and diabetic patients for sweet diet, commonly used synthetic sweetener.
2. Feed additives: pig feed, sweet agent, etc
3. Daily chemical industry: toothpaste, mouthwash, eye drops, etc
4. Electroplating industry: electroplating grade sodium saccharin is mainly used for electroplating nickel and is used as a brightener. A small amount of sodium saccharin can improve the brightness and softness of nickel plating.
1. The weightlessness 120℃ drying, 4 hour (GT - 19).
2. In the benzoic acid and salicylate test, 10ml 5% sample solution was taken, 5 drops of acetic acid were acidized and 3 drops of iron chloride test solution (TS-101) were added. There should be no precipitation or purple appearance.
3. The sample was 0.2g easy carbide and soluble in 5ml sulphuric acid solution. Under 48 ~ 50 ℃ for 10 min. The solution color shall not be darker than that of light brown yellow (see gt-25, equivalent to control solution A).
4. Take 1g of the sample for acidity and alkalinity and dissolve it in 10ml water just boiled and cooled. Add 1 drop of phenolphthalein test solution (TS-167), no pink color should appear. Add 0. Lmol /L sodium hydroxide solution 1 drop, should appear pink.
(1) dichloromethane: the use of appropriate purity grade reagents should be equivalent to the product distilled with all-glass apparatus.
(2) internal standard solution: take 95% n-23 carbene 100mg, put it into a 10ml volumetric bottle, dissolve it with n-hexane and mix it with a fixed capacity.
(3) preparation of standard base solution: take o-toluenesulfonamide and p-toluenesulfonamide, 20mg each, and place them in a 10ml volumetric bottle. Dissolve with dichloromethane and mix at a constant volume.
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