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Drinking water testing
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Ultrapure Water for Pesticides Analysis in Cannabis Testing
Explore how Milli-Q® systems deliver pesticide-free ultrapure water, ensuring accurate cannabis testing and supporting regulatory compliance.
饮用水检测方法_饮用水检测中的化学分析-默克生命科学
饮用水检测技术包括定量检测、色谱法、分光光度法、反射法、物理参数测定（如浊点、颜色、硬度、pH、气味）和病原体检测（分子或细胞培养法）。这些质量控制试验既要在工艺过滤（絮凝和澄清等）后的输入水源中进行，也要在过滤后的输出用水中进行（如水龙头取样）。
默克&中检院携手标准物质研讨会 共迎2022世界标准日
10月14日是世界标准日。中检院与默克共同举办2022年世界标准日标准物质线上研讨会
Milli-Q® 超纯水解决方案助力半导体企业-默克生命科学
Milli-Q®提供了超纯水系统IQ7000，搭配专门用于痕量过滤的IQ Element能够产出半导体产业所需的sub-ppt等级超纯水。
你还在用饮用水为超纯水机供水吗？
默克纯水现推出桶装饮用水给超纯水机供水的优质替代方案——Elix® Essential纯水系统。
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.
Testing Drinking Water - An Overview of National & International Regulations
An overview of USEPA, EU regulations, and various testing methods to ensure drinking water safety.
Efficient PAH Analysis (EU 15+1) using an Ascentis® Express PAH HPLC Column
This application note describes the fast and efficient separation of the EU’s list of 15 + 1 polynuclear aromatic hydrocarbons (PAHs) using Ascentis® Express PAH HPLC column.
Ion Chromatography for Trace Cation Analysis
Metrosep C Supp 2 column and acidic binary IC eluent accurately determine ammonium in acidic solutions, meeting pharmacopeia regulations.
LC-MS Analysis of Hormones in Tap Water
Milli-Q® ultrapure water systems deliver water free of organic contaminants , including hormones present in a lab's tap water, making it suitable for the most sensitive LC-MS/MS analyses.
Milli-Q® IQ 7000 Ultrapure Water System
Discover an ultrapure lab water system designed with you in mind. Intelligent, intuitive and connected, the Milli-Q® IQ 7000 system will simplify the way you work in the lab.
Obtaining Ultrapure Water for Sensitive PFAS Analysis by LC-MS
Sensitive PFAS testing can be performed with ultrapure water from a Milli-Q® IQ 7 system, which eliminates detectable PFAS for reliable LC-MS/MS results. See the science, see the proof.
Milli-Q® IQ 7003/05/10/15 Ultrapure & Pure Lab Water Purification System
Milli-Q® IQ 7003/05/10/15 lab water systems provide consistent-quality Type 1 and Type 2 water, are intuitive to use, and can support your lab's sustainability goals.
Bromine in Drinking Water, Swimming-Pool Water, Wastewater and Disinfection Solutions
Spectrophotometric determination of bromine with dipropyl-p-phenylenediamine (DPD) in drinking water, swimming-pool water, wastewater, and disinfection solutions in a range of 0.020 – 10.00 mg/L.
Determination of Silver in Water and Wastewater: Photometric Determination Using Phenanthroline Method and Eosin Y
The article describes the sample preparation and photometric determination of silver concentration in water samples using Spectroquant® photometers and test kits.
Installation & Use of Milli-Q® SQ 2Series Water Purification Systems
View instructional videos and download User Manuals for Milli-Q® SQ 2Series lab water systems. You’ll be up and running in no time. Buy online systems, accessories, cartridges and services.
Determination of Bisphenol A in Drinking Water
A comprehensive sample preparation and analytical procedure was developed by Supelco for determining BPA in drinking water.
Improved Determination of Volatile Organic Compounds in Water by SPME and GC/MS: ISO Standard 17943
High performance, reliability, and reproducibility of HS-SPME in combination with GC/MS for the determination of VOCs in water was proven in an interlaboratory trial. The new ISO 17943 using HS-SPME is an improvement on existing official methods for this determination
Determination of Triclosan in Environmental Waters
Triclosan was detected in waste water plant discharge using HPLC followed by UV and MS/MS detection.
Analytical Method for Selenium in Water
Quantify selenium in water using this photometric test and a clear, filtered sample to measure the results at 445 nm.
Revised EN ISO 21528:2017 for Detection and Enumeration of Enterobacteriaceae in the Food Chain
The International Organization for Standardization (ISO) published the revised EN ISO 21528-1 and EN ISO 21528-2 standards in 2017.
New EN ISO 22964 for Cronobacter spp. detection in the food chain
The new EN ISO 22964:2017 standard specifies a horizontal method for the detection of Cronobacter spp. in food, animal feed and environmental samples.
Listeria Detection Standards in Food Chain
ISO updated Listeria detection standards in 2017, specifying methods for food and environmental samples.
Calculating Your Working Tolerance: A Guideline
Guideline to calculate your working tolerance - Certified Standard Solutions (CRM)
Determination of 7 Nitrosamines in Drinking Water
Nitrosamines analysis by solid phase extraction (SPE) and subsequent gas chromatography-tandem mass spectrometry (GC-MS/MS) according to GB 5750.10-2023.
Drinking Water Testing by Ion Chromatography using Ultrapure Water
This study reviews the suitability of ultrapure water for the IC analysis of drinking water. Inorganic ions and disinfectant by-products (DBPs) were assessed.
Ultrapure Water to Assess Toxic Elements in Environmental Analyses
See the data showing how Milli-Q® ultrapure water meets the stringent purity requirements for reliable trace element analyses of environmental samples.
LC-MS Analysis of PFAS Compounds
LC-MS method separates 32 PFAS compounds in drinking water following EPA methods 533, 537, and 537.1. EPA 8327.
LC-MS Analysis of PFAS Compounds in EPA Method 533 using Supelclean™ ENVI-WAX™ SPE
Learn how method EPA 533 is used for sample collection and preparation, featuring Supelclean™ ENVI-WAX™ SPE cartridges for LC-MS analysis on an Ascentis® Express PFAS HPLC Column.
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