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DENWAT

Eau

UKAS ISO/IEC17025 and ISO Guide 34 certified, density: 0.9982 g/mL at 20 °C, density: 0.9970 g/mL at 25 °C

Synonyme(s) :

Water

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About This Item

Formule linéaire :
H2O
Numéro CAS:
7732-18-5
Poids moléculaire :
18.02
Numéro Beilstein :
2050024
Numéro CE :
231-791-2
Numéro MDL:
MFCD00011332
Code UNSPSC :
41116107
ID de substance PubChem :
329798917
Nomenclature NACRES :
NA.24

Qualité

certified reference material

Niveau de qualité

100

Agence

according to ASTM® D1480

Durée de conservation

limited shelf life, expiry date on the label

Fabricant/nom de marque

Paragon Scientific Ltd

Indice de réfraction

n20/D 1.34 (lit.)

Point d'ébullition

100 °C (lit.)

Pf

0 °C (lit.)

Densité

0.9982 g/mL at 20 °C
0.9970 g/mL at 25 °C
1.000 g/mL at 3.98 °C (lit.)

Application(s)

cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
industrial qc
personal care
petroleum

Format

mixture

Chaîne SMILES 

O

InChI

1S/H2O/h1H2

Clé InChI

XLYOFNOQVPJJNP-UHFFFAOYSA-N

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Description générale

Please note that the value stated on this page is nominal. All certified values for the current lots of all Paragon Density Standards can be found on the Paragon Scientific webpageThis product is a certified reference material (CRM) certified to International Standards BS EN ISO / IEC 17025

Application

This pure water density CRM is designed for the calibration of instruments used to measure density. And although typically used, it is not limited to the verification of digital density meters.

Caractéristiques et avantages

  • Manufactured and verified in an ISO 17025 and ISO 17034 accredited laboratory, as per UKAS
  • Carries an associated uncertainty of +/- 0.01%
  • Certified density value following ASTM D1480
  • Provided in a tamper-evident packaging to assure safe delivery
  • Meets the definition of Type II in the specification ASTM D1193
  • Accompanied with a certificate of analysis (CoA) having information on expiry date and storage conditions for an effective audit

Informations légales

ASTM is a registered trademark of American Society for Testing and Materials

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Faites votre choix parmi les versions les plus récentes :

Certificats d'analyse (COA)

Lot/Batch Number
1242404106
1242404086
1242404076
5230706015
5230706114

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Si vous avez besoin d'une version particulière, vous pouvez rechercher un certificat spécifique par le numéro de lot.

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Sigma-Aldrich

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Water is clearly important for the functioning of Photosystem II (PSII). Apart from being the very substrate that needs to be transported in this water oxidation enzyme, water is also vital for the transport of protons to and from the
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