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Merck

270733

Water

suitable for HPLC

Synonym(s):

Aqua, Dihydrogen oxide

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About This Item

Linear Formula:
H2O
CAS Number:
Molecular Weight:
18.02
UNSPSC Code:
12190000
NACRES:
NA.21
PubChem Substance ID:
EC Number:
231-791-2
Beilstein/REAXYS Number:
2050024
MDL number:
grade:
HPLC grade
technique(s):
HPLC: suitable
bp:
100 °C (lit.)
vapor pressure:
3 mmHg

Product Name

Water, suitable for HPLC

InChI key

XLYOFNOQVPJJNP-UHFFFAOYSA-N

InChI

1S/H2O/h1H2

SMILES string

O

grade

HPLC grade

vapor density

<1 (vs air)

vapor pressure

3 mmHg

form

liquid

technique(s)

HPLC: suitable

evapn. residue

<0.0003%

refractive index

n20/D 1.34 (lit.)

pH

6.0-8.0 (25 °C)

bp

100 °C (lit.)

mp

0 °C (lit.)

density

1.000 g/mL at 3.98 °C (lit.)

λ

H2O reference

UV absorption

λ: 205 nm Amax: 0.01
λ: 210 nm Amax: 0.01
λ: 250-400 nm Amax: 0.005

Quality Level

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Application

Water is used as a:
  • Solvent to prepare buffers during the cell lysis process.
  • Component of the mobile phase during the HPLC–UV–diode-array detection for the separation and detection of the analytes.

General description

Water suitable for HPLC is commonly used as a solvent for isocratic elution in both cation and anion chromatography. Additionally, it is used as a component to prepare standard stock solutions, and for evaporation under a nitrogen stream in a water bath to concentrate the sample before LC-MS-MS analysis.

Other Notes

Important notice
The article number 270733-6X1L will be discontinued. Please order the single bottle 270733-1L which is physically identical with the same exact specifications.
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Packaging

M-Bottle for Solvents
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Preparation Note

Product filtered through a 0.2 μm filter

Storage Class

12 - Non Combustible Liquids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


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Optimization and validation of HPLC-UV-DAD and HPLC-APCI-MS methodologies for the determination of selected PAHs in water samples
Titato, Guilherme T M et al.
Journal of Chromatographic Science, 44, 35-40 (2006)
Identification of the cysteine protease legumain as a potential chronic hypoxia-specific multiple myeloma target gene
Ada-Sophia C et al.
Cells, 11, 292-292 (2022)
Rapid confirmatory assay for the simultaneous detection of ronidazole, metronidazole and dimetridazole in eggs using liquid chromatography-tandem mass spectrometry
Els D et al.
Analyst, 125, 1533-1535 (2000)
Milk ultrafiltrate analysis by ion chromatography and calcium activity for SMUF preparation for different scientific purposes and prediction of its supersaturation
Joseph D et al.
International dairy journal, 68, 60-69 (2017)
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

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