34877-M

Água

HPLC Plus

• Fórmula linear: H₂O
• Número CAS: 7732-18-5
• Peso molecular: 18.02
• Beilstein: 2050024
• Número CE: 231-791-2
• Número MDL: MFCD00011332
• Código UNSPSC: 12190000
• ID de substância PubChem: 329755083
• NACRES: NA.21

Propriedades

• grau: HPLC Plus
• Formulário: liquid
• prazo de validade: limited shelf life, expiry date on the label
• técnica(s): HPLC: suitable
• Impurezas: ≤0.0003% non-volatile matter; ≤1 ppb fluorescence (quinine) at 254 nm; ≤1 ppb fluorescence (quinine) at 365 nm
• índice de refração: n20/D 1.34 (lit.)
• pH: 6-8 (25 °C)
• p.e.: 100 °C (lit.)
• pf: 0 °C (32 °F); 0 °C (lit.)
• solubilidade: water: miscible
• densidade: 1.000 g/mL at 3.98 °C (lit.)
• traços de ânion: chloride (Cl^-): ≤0.1 mg/kg; fluoride (F^-): ≤0.1 mg/kg; nitrate (NO₃^-): ≤0.1 mg/kg; sulfate (SO₄^2-): ≤0.1 mg/kg
• Gradiente HPLC: ≤1 mAU at 254 nm; ≤5 mAU at 210 nm
• aplicação(ões): general analytical
• cadeia de caracteres SMILES: O
• InChI: 1S/H2O/h1H2
• chave InChI: XLYOFNOQVPJJNP-UHFFFAOYSA-N

Descrição

Descrição geral

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

Aplicação

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.

Nota de preparo

Product filtered through a 0.2 μm filter

Outras notas

Important notice

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

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Informações de segurança

• Código de classe de armazenamento: 12 - Non Combustible Liquids
• Classe de risco de água (WGK): nwg
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable