产品名称
水标 0.1 %,用于库伦法测定, Certified Reference Material for coulometric Karl Fischer Titration 1 g ≙ 1 mg H2O Aquastar®
grade
certified reference material
Quality Level
agency
ISO 17025, 17034
product line
Aquastar®
form
liquid
autoignition temp.
287 °C (Information refers to the main component.)
expl. lim.
1.7-11.5 % (v/v) Information refers to the main component.)
reaction suitability
reaction type: water standard for Karl Fischer titration
packaging
ampule of 10 × 8 mL
technique(s)
Karl-Fischer titration: suitable, titration: suitable
bp
119 °C/1013 hPa
transition temp
flash point 31 °C (Information refers to the main component.)
density
0.92 g/cm3 at 20 °C
format
single component solution
storage temp.
15-25°C
General description
请浏览 ISO 证书和现场质量自评以查看当前的鉴定证书。
在http://www.sigma-aldrich.com下载证书以查看认证值,包括不确定性和失效日期。
Application
Features and Benefits
- 方便的8 mL玻璃安瓿包装,每盒含10支一次性安瓿瓶
- 提供批次特定的分析证书(CoA),附有准确测定的批次含水量数据、分析方法、NIST批次和最短保质期
- 经ISO/IEC 17025和ISO 17034认证实验室检测和验证
- 可直接溯源至SI单位(kg),并经NIST SRM 2890验证
Packaging
Analysis Note
Legal Information
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signalword
Warning
hcodes
Hazard Classifications
Flam. Liq. 3 - STOT SE 3
target_organs
Central nervous system
存储类别
3 - Flammable liquids
wgk
WGK 1
flash_point_f
88.7 °F - closed cup - Information refers to the main component.
flash_point_c
31.5 °C - closed cup - Information refers to the main component.
法规信息
此项目有
实验方案
Karl Fischer titration offers accurate water content determination in hemp samples compared to the loss on drying method.
商品
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.
Methods including internal extraction, external extraction, and Karl Fischer oven ensure accurate water content determination by titration.
SmartChemicals enable wireless CoA data transfer, reducing human error in titration experiments.

