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Merck

1.88050

Supelco

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

UNSPSC Code:
41115601
EC Index Number:
215-535-7
NACRES:
NA.24

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Product Name

Water Standard 0.01 %, Reference Material for coulometric Karl Fischer Titration 1 g ≙ 0.1 mg H₂O Aquastar®

grade

reference material

Quality Level

300

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

Related Categories

General description

The 0.01% water standard is gravimetrically prepared from high-purity water and reagents. Its characterization is performed at an accredited quality control (QC) laboratory according to DIN EN ISO/IEC 17025. The water content of the standard is measured by direct coulometric Karl Fischer titration.


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.

Application

It is used as a reference material to verify the accuracy of coulometric Karl Fischer titrators according to ISO 9001 chapter 7.1.5 “Monitoring and measuring resources”. It can also be used to check the accuracy of measured results according to European Pharmacopeia (Ph.Eur.) chapter 2.5.32 “Water Micro Determination”.

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

Packaging

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals.

Analysis Note

Assay (H₂O): 0.090 - 0.110 mg/g

Legal Information

AQUASTAR is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

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 Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

77.0 °F

Flash Point(C)

25 °C

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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Global Trade Item Number

SKUGTIN
1.88050.001004022536769585
1.88050.001304054839743436