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Merck
CN

320072

Sigma-Aldrich

ACS reagent, suitable for EPA 601

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About This Item

线性分子式:
H2O
CAS号:
分子量:
18.02
Beilstein:
2050024
EC 号:
MDL编号:
UNSPSC代码:
12191602
PubChem化学物质编号:
NACRES:
NA.21
等级:
ACS reagent
沸点:
100 °C (lit.)
蒸汽压:
3 mmHg

产品名称

水, ACS reagent

等级

ACS reagent

质量水平

Agency

suitable for EPA 601

蒸汽密度

<1 (vs air)

蒸汽压

3 mmHg

表单

liquid

杂质

MnO4- reducers, passes test
≤0.01% Silicate (as SiO2)
≤0.01 ppm silicate

折射率

n20/D 1.34 (lit.)

pH值(酸碱度)

6.0-8.0 (25 °C)

电导率

≤2 μmho per cm at 25 °C

沸点

100 °C (lit.)

mp

0 °C (lit.)

密度

1.000 g/mL at 3.98 °C (lit.)

痕量阴离子

chloride (Cl-): ≤0.4 ppm
nitrate (NO3-): ≤0.4 ppm
phosphate (PO43-): ≤1.0 ppm
sulfate (SO42-): ≤1.0 ppm

痕量阳离子

heavy metals (as Pb): ≤0.01 ppm

SMILES字符串

O

InChI

1S/H2O/h1H2

InChI key

XLYOFNOQVPJJNP-UHFFFAOYSA-N

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应用

水可用于:
  • 作为溶剂,确保基质辅助激光解吸/电离(MALDI)分析中使用的基质材料恰当地沉积和重结晶。
  • 作为高效液相色谱(HPLC)法用于分离极性化合物的流动相组分。

储存分类代码

12 - Non Combustible Liquids

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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分析证书(COA)

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Matrix vapor deposition/recrystallization and dedicated spray preparation for high-resolution scanning microprobe matrix-assisted laser desorption/ionization imaging mass spectrometry (SMALDI-MS) of tissue and single cells
Bouschen W, et al.
Rapid Communications in Mass Spectrometry, 24(3), 355-364 (2010)
Evaluation of various HILIC materials for the fast separation of polar compounds
Chauve B, et al.},
Journal of Separation Science, 33(6-7), 752-764 (2010)
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
S Bekesova et al.
Journal of proteomics, 75(7), 2216-2224 (2012-02-14)
N-glycosylation of proteins provides a rich source of information on liver disease progression because majority of serum glycoproteins, with the exception of immunoglobulins, are secreted by the liver. In this report, we present results of an optimized workflow for MALDI-TOF
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

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This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

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