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320072

Sigma-Aldrich

Eau

ACS reagent, suitable for EPA 601

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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 :
12191602
ID de substance PubChem :
329753952
Nomenclature NACRES :
NA.21

product name

Eau, ACS reagent

Qualité

ACS reagent

Niveau de qualité

200

Agence

suitable for EPA 601

Densité de vapeur

<1 (vs air)

Pression de vapeur

3 mmHg

Forme

liquid

Impuretés

MnO4- reducers, passes test
≤0.01% Silicate (as SiO2)
≤0.01 ppm silicate

Indice de réfraction

n20/D 1.34 (lit.)

pH

6.0-8.0 (25 °C)

Conductivité

≤2 μmho per cm at 25 °C

Point d'ébullition

100 °C (lit.)

Pf

0 °C (lit.)

Densité

1.000 g/mL at 3.98 °C (lit.)

Traces d'anions

chloride (Cl-): ≤0.4 ppm
nitrate (NO3-): ≤0.4 ppm
phosphate (PO43-): ≤1.0 ppm
sulfate (SO42-): ≤1.0 ppm

Traces de cations

heavy metals (as Pb): ≤0.01 ppm

Chaîne SMILES 

O

InChI

1S/H2O/h1H2

Clé InChI

XLYOFNOQVPJJNP-UHFFFAOYSA-N

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Catégories apparentées

Application

Water can be used as a:
  • Solvent to ensure the appropriate deposition and recrystallization of the matrix material used in the matrix-assisted laser desorption/ionization (MALDI) analysis.
  • Mobile phase component in the high-performance liquid chromatography (HPLC) method used for the separation of polar compounds.

Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Matrix vapor deposition/recrystallization and dedicated spray preparation for high-resolution scanning microprobe matrix-assisted laser desorption/ionization imaging mass spectrometry (SMALDI-MS) of tissue and single cells
Bouschen W, et al.
Rapid Communications in Mass Spectrometry, 24(3), 355-364 (2010)
Evaluation of various HILIC materials for the fast separation of polar compounds
Chauve B, et al.},
Journal of Separation Science, 33(6-7), 752-764 (2010)
S Bekesova et al.
Journal of proteomics, 75(7), 2216-2224 (2012-02-14)
N-glycosylation of proteins provides a rich source of information on liver disease progression because majority of serum glycoproteins, with the exception of immunoglobulins, are secreted by the liver. In this report, we present results of an optimized workflow for MALDI-TOF
Manolis Mandalakis et al.
Journal of chromatography. A, 1217(1), 143-150 (2009-12-08)
The analysis of amino acids by gas chromatography mass spectrometry (GC-MS) after their derivatization with N-(t-butyldimethylsilyl)-N-methyltrifluoroacetamide was investigated as an alternative approach for the determination of free (FAA) and combined amino acids (CAA) in aerosols. This technique showed excellent linearity
Martin Fischnaller et al.
Analytica chimica acta, 761, 92-101 (2013-01-15)
Phosphorylation of proteins is an important cellular regulatory process. The analysis of protein phosphorylation is challenging due to the high dynamic range and low abundance natures of phosphorylated species. Mass spectrometry (MS) of phosphopeptides obtained from tryptic protein digests is
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Environmental Methods Consumables Look Up Tool

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

Environmental Methods Consumables Look Up Tool

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

Environmental Methods Consumables Look Up Tool

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

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