Food Nitrite Content Assay Kit
食品中亚硝酸盐含量检测试剂盒
货号:AKFO001C
规格: 70T/50S
检测设备:可见分光光度计
可检测样本数:50 Samples
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Product Information
Food Nitrite Content Assay Kit
4℃ Wet Ice Transportation
  • 检测样本量:50 Samples
  • 主要检测设备及配套:可见分光光度计/1 mL玻璃比色皿(d=10 mm)
  • 预计测定时间:3 h (50 Samples)
  • 试剂储存条件:按照标签要求储存
  • 需自备试剂:
Detection Principle
亚硝酸盐在酸性条件下能够与对氨基苯磺酰胺反应生成重氮化合物,进一步与N-1-萘基乙二胺偶联形成紫红色偶氮染料,产物在540 nm处具有特征吸收峰,通过吸光值的变化即可定量检测亚硝酸盐的含量。
  • 检测方法: 对氨基苯磺酸法
  • 检测波长: 540 nm
  • 信号响应: 递增型
Refreence Information
  • 标准物质: Sodium Nitrite
  • 参考标准: y=16.432x+0.0102 (R2=0.9998)
  • 标准线性范围: 0.0025-0.08 µmol/mL
  • 检测限: To Be Updated
  • 注:不同仪器及比色材质会对结果产生影响,以实际测定值为准。
Notices

①操作过程中避免接触试剂和反应液,请注意做好防护;

②若测定吸光值超出标准吸光值线性范围:建议适当增加样本量或将待测样本使用蒸馏水稀释后再进行测定,计算时相应修改;

注: 为保证结果准确且避免试剂损失,测定前请仔细阅读说明书(以实际收到说明书为准),确认试剂储存和准备是否充分,操作步骤是否清楚,且务必取2-3个预期差异交的样本进行预测定,过程中问题请您及时与工作人员联系。
Product Citation

[1] Zhe T, Li F, Liu M, et al. Electronic modulation caused by interfacial Fe-O-Co-O-Fe bonding for boosting highly efficient non-enzymic nitrite sensing[J]. Chemical Engineering Journal, 2024: 150942. (IF 15.1)

[2] Tian X Y, Liu J F, Cheng Z, et al. Structure, thermal stability, physicochemical and functional characteristics of insoluble dietary fiber obtained from rice bran with steam explosion treatment: Effect of different steam pressure and particle size of rice bran[J]. Food Research International, 2024: 114310. (IF 8.1)

[3] Huang L, Han Y, Zhong K, et al. Exploring the fungal communities and their correlation with the physicochemical properties of Zaopocu, a distinctive fermented food on Hainan island[J]. Biologia, 2023: 1-18.(IF 1.5)

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