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- Objective: To test sodium formaldehyde sulfoxylate in food. 目的:对食品中的吊白块进行检测。
- There is no national standard method for determination of sodium formaldehyde sulfoxylate in wheat flour so far. 甲醛次硫酸氢钠是一种化工原料,国家已明令禁止将其作为添加剂加入食品。
- OBJECTIVE To determine the constants of oxidation reaction rate between sodium formaldehyde sulfoxylate and oxygen in aqueous solutions. 目的测定甲醛合次硫酸氢钠在水溶液中与氧反应的反应速率常数。
- While four sample treatments tested for different samples formaldehyde or formaldehyde sodium sulfoxylate content measured. 同时试验了四种样品处理方法，可用于不同样品中甲醛或吊白块含量的测定。
- Sodium formaldehyde sulfoxylate in foods were tested by direct distillation-titration coupled with AHMT spectrophotometer. 摘要利用直接蒸馏滴定-AHMT法联合测定食品中的甲醛次硫酸氢钠。
- Conclusion: It can meet the measurement requirements of general food samples for formaldehyde and sodium formaldehyde sulfoxylate. 结论： 可满足一般食品样品中甲醛和吊白块测定的要求。
- CONCLUSION The sodium formaldehyde sulfoxylate to possesses stronger antioxidant activity in weak acid solution than in neutral and alkaline ones. 结论 甲醛合次硫酸氢钠在弱酸性条件下抗氧能力较强，在中性和弱碱性条件下较弱。
- Abstract: OBJECTIVE To determine the constants of oxidation reaction rate between sodium formaldehyde sulfoxylate and oxygen in apueous solutions. 文章摘要: 目的 测定甲醛合次硫酸氢钠在水溶液中与氧反应的反应速率常数。
- METHODS Residual concentrations of sodium formaldehyde sulfoxylate in the solutions determined by iodimetry were with linear regressions to obtain the constants of reacting rate. 方法 在不断通入空气的情况下，采用碘量法测定甲醛合次硫酸氢钠在水溶液中不同时刻的浓度，作出降解曲线，并计算反应速率常数。
- At the same time, during the production process, you may not use such as formaldehyde sulfoxylate, aluminum sulfate potassium, bleach and other additives and so on. 同时，在生产过程中，不得使用如甲醛次硫酸氢钠、硫酸铝钾、漂白剂等添加剂等等。
- A new one-step synthesis technology of formaldehyde sodium sulfoxylate and its reaction mechanism were studied using formaldehyde,sodium bisulfite and zinc podwer as raw materials. 本文介绍了以甲醛、亚硫酸氢钠、锌粉为原料，用一步法制备次硫酸氢钠甲醛的新工艺，并且研究了其反应机理。
- METHODS Residual concentrations of sodium formaldehyde sulfoxylate in the solutions determined by iodimetry were dealt with linear regressions to obtain the constants of reacting rate. 方法在不断通入空气的情况下,采用碘量法测定甲醛合次硫酸氢钠在水溶液中不同时刻的浓度,作出降解曲线,并计算反应速率常数。
- sodium formaldehyde sulphoxylate 甲醛合次硫酸氢钠
- sodium formaldehyde sulfoxylate(SFS) 吊白块
- Determination of sodium formaldehyde sulfoxylate in food 食品中吊白块的测定
- Determination of sodium formaldehyde sulfoxylate in steamed bread 在市售馒头中检出甲醛次硫酸氢钠
- Keywords Formaldehyde Food Sodium formaldehyde sulfoxylate; 甲醛;食品;甲醛次硫酸氢钠;
- Quantitative Analysis of Trace Sodium Sulfoxylate Formaldehyde in Foods 食品中残留甲醛次硫酸钠含量的测定
- Study on the Determination of the Sodium Formaldehyde Sulfoxylate in Food 食品中吊白块检测方法的研究
