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DENWAT

Agua

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

Sinónimos:

Water

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About This Item

Fórmula lineal:
H2O
Número de CAS:
7732-18-5
Peso molecular:
18.02
Beilstein/REAXYS Number:
2050024
EC Number:
231-791-2
MDL number:
MFCD00011332
UNSPSC Code:
41116107
PubChem Substance ID:
329798917
NACRES:
NA.24

grade

certified reference material

Quality Level

100

agency

according to ASTM® D1480

shelf life

limited shelf life, expiry date on the label

manufacturer/tradename

Paragon Scientific Ltd

refractive index

n20/D 1.34 (lit.)

bp

100 °C (lit.)

mp

0 °C (lit.)

density

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

SMILES string

O

InChI

1S/H2O/h1H2

InChI key

XLYOFNOQVPJJNP-UHFFFAOYSA-N

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General description

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.

Features and Benefits

  • 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

Legal Information

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

Storage Class

10 - Combustible liquids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

Elija entre una de las versiones más recientes:

Certificados de análisis (COA)

Lot/Batch Number
1242404106
1242404086
1242404076
5230706015
5230706114

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Si necesita una versión concreta, puede buscar un certificado específico por el número de lote.

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Sigma-Aldrich

W4502

Agua

Mary A Rodgers et al.
The Journal of experimental medicine, 211(7), 1333-1347 (2014-06-25)
Linear ubiquitination is a newly discovered posttranslational modification that is currently restricted to a small number of known protein substrates. The linear ubiquitination assembly complex (LUBAC), consisting of HOIL-1L, HOIP, and Sharpin, has been reported to activate NF-κB-mediated transcription in
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Calcified tissue international, 96(3), 256-263 (2014-12-07)
Vitamin D receptor (VDR) expression and action in non-human skeletal muscle have recently been reported in several studies, yet data on the activity and expression of VDR in human muscle cells are scarce. We conducted a series of studies to
Susu Duan et al.
Nature communications, 5, 5029-5029 (2014-10-10)
Oseltamivir-resistant H1N1 influenza viruses carrying the H275Y neuraminidase mutation predominated worldwide during the 2007-2009 seasons. Although several neuraminidase substitutions were found to be necessary to counteract the adverse effects of H275Y, the order and impact of evolutionary events involved remain
Lydia E H Paul et al.
Organic & biomolecular chemistry, 13(3), 946-953 (2014-11-21)
Interactions between three hexacationic arene ruthenium metallaprisms, [(p-cymene)6Ru6(tpt)2(dhnq)3](6+), [(p-cymene)6Ru6(tpt)2(dhbq)3](6+) and [(p-cymene)6Ru6(tpt)2(oxa)3](6+), and a series of human proteins including human serum albumin, transferrin, cytochrome c, myoglobin and ubiquitin have been studied using NMR spectroscopy, mass spectrometry and circular dichroism spectroscopy. All
Hervé Marie-Nelly et al.
Nature communications, 5, 5695-5695 (2014-12-18)
Closing gaps in draft genome assemblies can be costly and time-consuming, and published genomes are therefore often left 'unfinished.' Here we show that genome-wide chromosome conformation capture (3C) data can be used to overcome these limitations, and present a computational
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