Merck
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34877

Sigma-Aldrich

Water

HPLC Plus

Linear Formula:
H2O
CAS Number:
Molecular Weight:
18.02
Beilstein:
2050024
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.21

grau

HPLC Plus

Nível de qualidade

100

densidade de vapor

<1 (vs air)

pressão de vapor

3 mmHg

forma

liquid

prazo de validade

limited shelf life, expiry date on the label

technique(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

6.0-8.0 (25 °C)

pb

100 °C (lit.)

pf

0 °C (lit.)

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 (SO42-): ≤0.1 mg/kg

HPLC-gradient

≤1 mAU at 254 nm
≤5 mAU at 210 nm

SMILES string

O

InChI

1S/H2O/h1H2

InChI key

XLYOFNOQVPJJNP-UHFFFAOYSA-N

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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.

Embalagem

1, 4×2.5, 4, 4×4 L in glass bottle

Nota de preparo

Product filtered through a 0.2 μm filter

Outras notas

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.

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Código de classe de armazenamento

10 - Combustible liquids

WGK

nwg

Ponto de fulgor (ºF)

No data available

Ponto de fulgor (ºC)

No data available

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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