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Merck
CN

34877

水

HPLC Plus, suitable for HPLC, suitable for SM 4500 - NH3

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关于此项目

线性分子式:
H2O
化学文摘社编号:
7732-18-5
分子量:
18.02
NACRES:
NA.21
PubChem Substance ID:
329755083
UNSPSC Code:
41116105
EC Number:
231-791-2
MDL number:
MFCD00011332
Beilstein/REAXYS Number:
2050024
Grade:
HPLC Plus
Technique(s):
HPLC: suitable
Bp:
100 °C (lit.)
Vapor pressure:
3 mmHg

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产品名称

水, HPLC Plus

InChI

1S/H2O/h1H2

InChI key

XLYOFNOQVPJJNP-UHFFFAOYSA-N

SMILES string

O

grade

HPLC Plus

agency

suitable for SM 4500 - NH3

vapor density

<1 (vs air)

vapor pressure

3 mmHg

form

liquid

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable

impurities

≤0.0003% non-volatile matter
≤1 ppb fluorescence (quinine) at 254 nm
≤1 ppb fluorescence (quinine) at 365 nm

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.)

anion traces

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

Quality Level

100

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相关类别

Application

以下研究中将水用于：
  • 制备氨基酸标准品溶液制备所需的稀盐酸溶液。
  • 气溶胶样品中游离氨基酸(FAA)和组合氨基酸(CAA)的气相色谱-质谱(GC-MS)分析过程的样品提取步骤。
  • 从标准蛋白样品制备胰蛋白酶消化物和从牛奶样品制备牛奶消化物。
  • 制备C 60 -氨丙基二氧化硅。

General description

HPLC + 级水适用于 UHPLC（超高压液相色谱法）梯度洗脱和 HPLC 研究。

Other Notes

重要通知
  • 货号34877-4X2.5L的产品即将停产。请订购34877-2.5L单瓶装，因为其具体参数与上述产品本质相同。
发现适用于高效液相色谱或液相色谱-质谱分析的理想LiChropur试剂

Packaging

溶剂用M瓶(M-Bottle for Solvents)
作为实验室试剂的全球领导者，我们始终如一地不断探索提高产品安全性的新方法。新开发4L溶剂瓶采用先进的密封技术消除漏液，让溶剂处理变得更加安全和便利。
了解所有最新设计！

Preparation Note

产品通过 0.2 μm 过滤器过滤

存储类别

12 - Non Combustible Liquids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCP1774
SHBT4961
SHBT4418
BCCN8709
SHBT1303

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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
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
M Lieveld et al.
Virchows Archiv : an international journal of pathology, 465(6), 703-713 (2014-10-12)
Giant cell tumor of bone (GCTB) displays worrisome clinical features such as local recurrence and occasionally metastatic disease which are unpredictable by morphology. Additional routinely usable biomarkers do not exist. Gene expression profiles of six clinically defined groups of GCTB
Rachele M Pojednic et al.
Calcified tissue international, 96(3), 256-263 (2014-12-07)
Vitamin D receptor (VDR) expression and action in non-human skeletal muscle have recently been reported in several studies, yet data on the activity and expression of VDR in human muscle cells are scarce. We conducted a series of studies to
Katrin Linke et al.
Biochimica et biophysica acta, 1837(1), 14-32 (2013-08-28)
Water is clearly important for the functioning of Photosystem II (PSII). Apart from being the very substrate that needs to be transported in this water oxidation enzyme, water is also vital for the transport of protons to and from the
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