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34877

Sigma-Aldrich

Eau

HPLC Plus, suitable for HPLC, suitable for SM 4500 - NH3

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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 :
41116105
ID de substance PubChem :
329755083
Nomenclature NACRES :
NA.21

product name

Eau, HPLC Plus

Qualité

HPLC Plus

Agence

suitable for SM 4500 - NH3

Densité de vapeur

<1 (vs air)

Pression de vapeur

3 mmHg

Forme

liquid

Durée de conservation

limited shelf life, expiry date on the label

Technique(s)

HPLC: suitable

Impuretés

≤0.0003% non-volatile matter
≤1 ppb fluorescence (quinine) at 254 nm
≤1 ppb fluorescence (quinine) at 365 nm

Indice de réfraction

n20/D 1.34 (lit.)

pH

6.0-8.0 (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-): ≤0.1 mg/kg
fluoride (F-): ≤0.1 mg/kg
nitrate (NO3-): ≤0.1 mg/kg
sulfate (SO42-): ≤0.1 mg/kg

Gradient HPLC

≤1 mAU at 254 nm
≤5 mAU at 210 nm

Chaîne SMILES 

O

InChI

1S/H2O/h1H2

Clé InChI

XLYOFNOQVPJJNP-UHFFFAOYSA-N

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Description générale

HPLC Plus grade water is useful for the UHPLC (Ultra-High Pressure Liquid Chromatography) gradient elution and HPLC studies.

Application

Water has been used in the following studies:
  • To prepare the diluted hydrochloric acid solutions required for the preparation of standard solutions of amino acid.
  • In the sample extraction step during the gas chromatography mass spectrometric (GC-MS) analysis of free (FAA) and combined amino acids (CAA) in aerosol samples.
  • Preparation of tryptic digests from the standard protein samples and milk digests from milk samples.
  • Preparation of C60-aminopropylsilica.

Notes préparatoires

Product filtered through a 0.2 μm filter

Autres remarques

Important notice
  • The article number 34877-4X2.5L will be discontinued. Please order the single bottle 34877-2.5L which is physically identical with the same exact specifications.

Produits recommandés

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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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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
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
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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
Yasushi Itoh et al.
PLoS pathogens, 10(6), e1004192-e1004192 (2014-06-20)
Highly pathogenic avian influenza (HPAI) viruses of the H5N1 subtype often cause severe pneumonia and multiple organ failure in humans, with reported case fatality rates of more than 60%. To develop a clinical antibody therapy, we generated a human-mouse chimeric
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