34877-M

Agua

HPLC Plus

• Fórmula lineal: H₂O
• Número de CAS: 7732-18-5
• Peso molecular: 18.02
• Beilstein: 2050024
• Número CE: 231-791-2
• Número MDL: MFCD00011332
• Código UNSPSC: 12190000
• ID de la sustancia en PubChem: 329755083
• NACRES: NA.21
• bp: 100 °C (lit.)

Propiedades

• grado: HPLC Plus
• Formulario: liquid
• caducidad: limited shelf life, expiry date on the label
• técnicas: HPLC: suitable
• impurezas: ≤0.0003% non-volatile matter; ≤1 ppb fluorescence (quinine) at 254 nm; ≤1 ppb fluorescence (quinine) at 365 nm
• índice de refracción: n20/D 1.34 (lit.)
• pH: 6-8 (25 °C)
• bp: 100 °C (lit.)
• mp: 0 °C (32 °F); 0 °C (lit.)
• solubilidad: water: miscible
• densidad: 1.000 g/mL at 3.98 °C (lit.)
• trazas de anión: 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 de HPLC: ≤1 mAU at 254 nm; ≤5 mAU at 210 nm
• aplicaciones: general analytical
• cadena SMILES: O
• InChI: 1S/H2O/h1H2
• Clave InChI: XLYOFNOQVPJJNP-UHFFFAOYSA-N

Descripción

Descripción general

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

Aplicación

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 preparación

Product filtered through a 0.2 μm filter

Otras 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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Información de seguridad

• Código de clase de almacenamiento: 12 - Non Combustible Liquids
• Clase de riesgo para el agua (WGK): nwg
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable