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Photometry and reflectometry
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facet applications:Photometry and reflectometry
facet content type:Technical Article
显示 1-30 #N/A 42 条结果
Ammonium in Wastewater
Step-by-step accurate reflectometric determination of ammonium in wastewater with Nessler’s reagent or Indophenol blue using Reflectroquant®system and test strips.
Cell Density measurement by OD600 Method
Optical density measurement of bacterial cells at 600 nm using pre-programmed method in Spectroquant® Prove spectrophotometers.
K270 Olive Oil Commission Regulation (EEC) No 2568/91 Annex IX
Discover the K270 method for analyzing olive oil quality as per EEC Regulation 2568/91. Access detailed protocols and ensure compliance with standards.
Nitrate Levels in Vegetables
Reflectometric nitrate determination in vegetables using Griess reagent and Reflectoquant® system.
Safe Drinking Water Act & Clean Water Act
The Safe Drinking Water Act regulates finished drinking water, raw water sources, and distribution to ensure water safety.
Sensitive Determination of Iron in Drinking Water, Mineral Water, Groundwater, and Spring Water Using Rapid Photometric Tests
Spectroquant® Iron Test - a suitable alternative to ICP or AAS for determination of iron in drinking water, mineral water, groundwater, and spring water.
Measuring Chemical Oxygen Demand in Water Treatment Facilities
We are a global leader in the life science industry and have produced test kits to measure numerous analytes. Water Online spoke with us about advances in measuring chemical oxygen demand.
Phosphate Determination in Water
Spectroquant® photometric test accurately quantifies low concentrations of PO4-P in natural waters.
蔬菜中的硝酸盐
分步操作说明：将各种蔬菜中的硝酸盐还原为亚硝酸盐后，配合格里斯试剂使用Reflectoquant®测试试剂盒和反射计通过反射法测定含量。
废水中的硝酸盐
分步操作说明：将废水中的硝酸盐还原为亚硝酸盐后，配合格里斯试剂使用Spectroquant®测试试剂盒和反射计通过反射法测定。
食品和饮料制造业消毒控制总览
了解消毒控制以及如何在众多选择中挑选合适的消毒剂，不同的选择基于光度法和反射法的方法和仪器。
光度法测定污水中的硝酸盐
分步法描述了使用Spectroquant® 检测试剂盒和光度计通过光度法精确和定量分析污水中的硝酸盐。
透光度到吸光度转换表
用于快速转换的透光度到吸光度转换表可在实验室、教室或野外使用此图表作为方便的参考资料。线上透光度图表可供下载和共享。
废水中的铵
分步操作说明：使用纳氏试剂或靛酚蓝配合 Reflectroquant® 系统和试纸条逐步精确反射法测定废水中的铵含量。
分析型方法：分析质量保证，COD/氯化物标准
制备COD/氯化物标准溶液
Identification of Cell Culture Media with Raman Spectroscopy
Identification of cell culture media samples by traditional LC methods, such as amino acid or vitamin analysis, has high costs, and requires significant analytical expertise and laboratory space.
Total Nitrogen Measurement Solution
Total Nitrogen Analysis kit offers a fast, accurate, and cost-effective method for water and wastewater testing.
Calculating Your Working Tolerance: A Guideline
Guideline to calculate your working tolerance - Certified Standard Solutions (CRM)
Enzymatic Method for Determining Branched Chain Amino Acids (BCAA Assay)
Assay protocol for the colorimetric detection of Branched Chain Amino Acids (BCAA) in biological samples using the alanine assay kit.
Analytical Method: Urea in Water and Wastewater, Enzymatic Determination
Urea in water and wastewater, enzymatic determination - Photometric determination using the indophenol blue method after cleavage of the urea
Analytical Method: Analytical Quality Assurance, Standard for COD/Chloride
Preparation of a standard solution for COD/chloride
Analytical Quality Assurance: Peracetic Acid Standard
Application Note details preparation of peracetic acid standard solution for analytical quality assurance (AQA) in testing laboratories.
Comprehensive Quality Assurance and Process Control
Optimize measurement reliability with advanced analytical quality assurance and process control using Spectroquant®, MQuant®, TraceCERT®, and more.
Determination of Bromate in Water and Drinking Water
Photometric assessment of bromate in drinking water samples using Spectroquant® photometer and test kits, along with 3,3'-dimethylnaphthidine and potassium iodide.
Determination of Phospholipid Oxidation by UV/VIS Spectroscopy - Avanti® Polar Lipids
The percent oxidation of a phospholipid can be determined by using Beer’s Law to calculate the peroxidized phospholipid’s concentration from its absorbance at 234 nm.
Determination of Protein by Bicinchoninic Acid Assay
BCA protein assay or Smith assay to determine protein concentration in a sample using Spectroquant® Prove photometers.
Determination of Sialic Acid in Milk
Discover the detection of milk adulteration by whey using spectrophotometric estimation of sialic acid in three different milk brands. Learn more about this essential technique in our application note.
Navigating Disinfection Control in Food and Beverage Manufacturing
Learn about disinfection control and how to select the right disinfectant among the various options available in its methods and instrumentation based on photometry and reflectometry.
pH in Fruit Juices
An easy-to-use, economical, and smartphone-based reliable determination of pH in fruit juices using the MQuant® pH test strips and the MQuant® StripScan app.
pH in Soft Drinks
An easy-to-use and economical approach for reliable determination of pH of soft drinks with MQuant® pH test strips and MQuant® StripScan App.
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