1.88050
Water Standard
0.01%, Reference Material for coulometric Karl Fischer Titration 1 g ≙ 0.1 mg H₂O Aquastar®
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About This Item
Product Name
Water Standard 0.01 %, Reference Material for coulometric Karl Fischer Titration 1 g ≙ 0.1 mg H2O Aquastar®
grade
reference material
agency
ISO 17025
vapor pressure
10 hPa ( 20 °C)
product line
Aquastar®
form
liquid
autoignition temp.
465 °C
expl. lim.
1.7-7.5 % (v/v)
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
137 °C/1013 hPa
mp
-34 °C (xylene)
transition temp
flash point 25 °C
solubility
0.2 g/L
density
0.86 g/mL at 20 °C
format
single component solution
storage temp.
15-25°C
Quality Level
Analysis Note
Application
Features and Benefits
- Packed in convenient 8 mL glass ampules. Each box contains 10 single-use ampules
- Supplied with a batch-specific digital certificate of analysis (CoA) having data on exact measured water content of the batch, uncertainty, method of analysis, the NIST batch, and minimum shelf life
- Measured and qualified in an ISO/IEC 17025 accredited laboratory
- Directly traceable to SI unit (kg) and verified by secondary reference standards 2890 from NIST
- Shelf life of 18 months
General description
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
In our effort to be more sustainable, we′re going digital with COAs-download them directly from our website. Download your certificate at https://www.sigmaaldrich.com/US/en/documents-search to view certified values, including uncertainty and expiry date.
Packaging
Legal Information
signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
77.0 °F
flash_point_c
25 °C
Regulatory Information
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Articles
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。
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
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