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- Objective: To test sodium formaldehyde sulfoxylate in food. 目的:對食品中的吊白塊進(jìn)行檢測。
- There is no national standard method for determination of sodium formaldehyde sulfoxylate in wheat flour so far. 甲醛次硫酸氫鈉是一種化工原料,國家已明令禁止將其作為添加劑加入食品。
- OBJECTIVE To determine the constants of oxidation reaction rate between sodium formaldehyde sulfoxylate and oxygen in aqueous solutions. 目的測定甲醛合次硫酸氫鈉在水溶液中與氧反應的反應速率常數。
- While four sample treatments tested for different samples formaldehyde or formaldehyde sodium sulfoxylate content measured. 同時(shí)試驗了四種樣品處理方法，可用于不同樣品中甲醛或吊白塊含量的測定。
- Sodium formaldehyde sulfoxylate in foods were tested by direct distillation-titration coupled with AHMT spectrophotometer. 摘要利用直接蒸餾滴定-AHMT法聯(lián)合測定食品中的甲醛次硫酸氫鈉。
- Conclusion: It can meet the measurement requirements of general food samples for formaldehyde and sodium formaldehyde sulfoxylate. 結論： 可滿(mǎn)足一般食品樣品中甲醛和吊白塊測定的要求。
- CONCLUSION The sodium formaldehyde sulfoxylate to possesses stronger antioxidant activity in weak acid solution than in neutral and alkaline ones. 結論 甲醛合次硫酸氫鈉在弱酸性條件下抗氧能力較強，在中性和弱堿性條件下較弱。
- 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 測定甲醛合次硫酸氫鈉在水溶液中與氧反應的反應速率常數。
- 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 在不斷通入空氣的情況下，采用碘量法測定甲醛合次硫酸氫鈉在水溶液中不同時(shí)刻的濃度，作出降解曲線(xiàn)，并計算反應速率常數。
- 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. 同時(shí)，在生產(chǎn)過(guò)程中，不得使用如甲醛次硫酸氫鈉、硫酸鋁鉀、漂白劑等添加劑等等。
- 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. 本文介紹了以甲醛、亞硫酸氫鈉、鋅粉為原料，用一步法制備次硫酸氫鈉甲醛的新工藝，并且研究了其反應機理。
- 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. 方法在不斷通入空氣的情況下,采用碘量法測定甲醛合次硫酸氫鈉在水溶液中不同時(shí)刻的濃度,作出降解曲線(xiàn),并計算反應速率常數。
- sodium formaldehyde sulphoxylate 甲醛合次硫酸氫鈉
- sodium formaldehyde sulfoxylate(SFS) 吊白塊
- Determination of sodium formaldehyde sulfoxylate in food 食品中吊白塊的測定
- Determination of sodium formaldehyde sulfoxylate in steamed bread 在市售饅頭中檢出甲醛次硫酸氫鈉
- Keywords Formaldehyde Food Sodium formaldehyde sulfoxylate; 甲醛;食品;甲醛次硫酸氫鈉;
- Quantitative Analysis of Trace Sodium Sulfoxylate Formaldehyde in Foods 食品中殘留甲醛次硫酸鈉含量的測定
- Study on the Determination of the Sodium Formaldehyde Sulfoxylate in Food 食品中吊白塊檢測方法的研究
