If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf
推荐产品
产品名称
亚硫酸盐测试, colorimetric, 10-400 mg/L (SO32-), for use with MQuant® StripScan App, MQuant®
描述
semi-quantitative
质量水平
产品线
MQuant®
特殊分析物
sulfite
环保替代产品特性
Waste Prevention
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
测量范围
10-400 mg/L (SO32-)
相容性
for use with MQuant® StripScan App
检测方法
colorimetric
环保替代产品分类
储存温度
2-8°C
一般描述
方法：使用试纸条的比色法，10 - 40 - 80 - 180 - 400 mg/L (SO32-)，MQuant®
MQuant®亚硫酸盐试纸适用于食品分析，特别适用于葡萄酒和果汁、硫熏食品（如新鲜和干燥水果）、鱼类、贝类、甲壳类和肉末食品的检测。亚硫酸根离子与亚铁氰化钾、硫酸锌和硝普钠混合物反应形成红色化合物。通过目视比较试纸条的反应区与各色度块，可半定量测定亚硫酸盐浓度。该试纸非常适合以经济、快速的方式对样品进行预测试，以便在使用定量方法（例如Reflectoquant® 和Spectroquant®亚硫酸盐测试）之前对亚硫酸盐浓度和可能的稀释因子进行估算。
可持续发展设计：
通过探索改善产品组合中现有产品的方法，我们始终一致地展现出我们对地球和可持续未来的承诺。最近我们评估了当前的MQuant®试纸产品线，目的是为了发现减少环境影响同时不影响产品性能的重要机会。
本品的环保贡献：
- 试纸用量减少
- 再生铝管包装
- 说明书电子化
欢迎了解详情：试纸小改变，环境大影响。
联系
法律信息
实验方案
Preparation of a standard solution for Sulfite
亚硫酸盐标准溶液制备
相关内容
MQuant® StripScan应用程序为手机上的各种测试条提供即时、可靠的结果，包括pH值和硬度。
MQuant® StripScan app delivers instant, reliable results for various test strips on mobile phones, including pH and hardness.
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
Helpful?
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For wine, How It work? We buy for wine, but we dont find the instructions
1 answer-
Sulfite ions react with a mixture of potassium hexacyanoferrate(II), zinc sulfate, and sodium nitroprusside to form a red compound. The sulfite concentration is measured semiquantitatively by visual comparison of the reaction zone of the test strip with the fields of a color scale. Please see the link below to review the product instructions:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/408/087/110013ug-ms.pdfHelpful?
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what is the limit of detection for this paper strip?
1 answer-
The limit of detection for product 1100130001, Sulfite Test, is 10 - 40 - 80 - 180 - 400 mg/L (SO32-). The sulfite concentration is measured semi-quantitatively by visual comparison of the reaction zone of the test strip with the fields of a color scale.
Helpful?
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Can I test sulfite in urine with these test strips?
1 answer-
This product is not specifically tested for use with urine samples. Typical sample materials include wastewater. Suitability of this product for the analysis of urine samples would have to be determined by the end user. Kindly review the user guide available at this link: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/408/087/110013ug-ms.pdf
Note that this product is not suitable for in vitro diagnostic use.Helpful?
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