推荐产品
Agency
traceable to NIST
质量水平
特殊分析物
nitrogen
浓度
12.0 mg/L N in H2O
技术
photometry: suitable
格式
single component solution
储存温度
15-25°C
一般描述
This Spectroquant® Nitrogen (total) Standard Solution is a high-quality laboratory solution used for internal quality control and method-controlling purposes.
These Spectroquant® standard solutions perfectly complement our ready-to-use test kits and photometers within the Spectroquant® portfolio and are ideal for validating international norm methods described in e.g., ISO, EN, APHA, and EPA.
Please visit the Reference Material Quality Grade website to find a comprehensive overview of our different grades of standards.
These Spectroquant® standard solutions perfectly complement our ready-to-use test kits and photometers within the Spectroquant® portfolio and are ideal for validating international norm methods described in e.g., ISO, EN, APHA, and EPA.
Please visit the Reference Material Quality Grade website to find a comprehensive overview of our different grades of standards.
应用
Nitrogen (total) Standard Solution can be used to check the photometric measurement system (reagents, measurement device, handling) and the mode of working.
特点和优势
- Manufactured and tested in DIN EN ISO 9001:2008 accredited laboratory
- The solution is pre-diluted to a concentration that falls into the range of our Spectroquant® test kits. This eliminates the need for dilution prior to analysis and hence avoids a common source of error
- Ready-to-use diluted reference materials (RMs) along with expanded measurement uncertainty ensure absolute precision
- Accompanied with a certificate of analysis (COA) detailing the certified values, including uncertainty and expiry date
- Directly traceable to standard reference materials (SRM) from the National Institute of Standards and Technology (NIST) or to United States Pharmacopeia (USP)
- Reliable and reproducible results
分析说明
Concentration: 2.50 ± 0.06 mg/L N in H2O
法律信息
SPECTROQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany
储存分类代码
12 - Non Combustible Liquids
WGK
nwg
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