grade
certified reference material
Quality Level
agency
ISO 17025, 17034
product line
Aquastar®
form
solid
reaction suitability
reaction type: water standard for Karl Fischer titration
packaging
glass bottle of 5 g
technique(s)
Karl-Fischer titration: suitable
bulk density
460 kg/m3
format
neat
storage temp.
15-25°C
General description
Application
Features and Benefits
- 使用方便的玻璃瓶包装，瓶内物质已根据ISO 17034和ISO指南35要求实行稳定性和均一性研究
- 提供批次特定的分析证书(CoA)，附有准确测定的含水量、不确定度、分析方法、测定方法和最短保质期
- 经ISO/IEC 17025和ISO 17034认证校准实验室表征
- 可直接追溯至SI单位(kg)
Other Notes
Legal Information
存储类别
13 - Non Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
实验方案
Karl Fischer titration offers accurate water content determination in hemp samples compared to the loss on drying method.
Foodstuffs often provide a challenge for the water determination by Karl-Fischer. Instant Coffee is such a sample matrix and its water content has influence on quality and shelf life.
商品
Methods including internal extraction, external extraction, and Karl Fischer oven ensure accurate water content determination by titration.
New Aquastar® Karl Fischer Anolyte for precise and reproducible determination of low water content in the range of 10 ppm to 10000 ppm for cells without a diaphragm.
标准物质作为分析测量值溯源与传递的重要载体，在分析检测或测量过程中起着非常重要的作用。默克标准物质种类超过20,000种，尤其是色谱、光谱及元素分析、滴定和物理性质等分析技术标准物质广受欢迎。
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 1880540003 | 04054839753398 |
| 1880540005 | 04022536954219 |