34877

Sigma-Aldrich

HPLC Plus

线性分子式:
H2O
CAS号:
分子量:
18.02
Beilstein/REAXYS Number:
2050024
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

等级

HPLC Plus

质量水平

100

蒸汽密度

<1 (vs air)

蒸汽压

3 mmHg

形式

liquid

保质期

limited shelf life, expiry date on the label

应用

HPLC: suitable

杂质

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

折射率

n20/D 1.34 (lit.)

pH值(酸碱度)

6.0-8.0 (25 °C)

bp

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-): ≤0.1 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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相关类别

一般描述

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

应用

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。

包装

1, 4×2.5, 4, 4×4 L in glass bottle

制备说明

产品通过 0.2 μm 过滤器过滤

其他说明

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。

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storage_class_code

10 - Combustible liquids

WGK Germany

nwg

闪点(F)

No data available

闪点(C)

No data available

分析证书

原产地证书 (CofO)

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...
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...
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...
Liming Zhou et al.
Nature, 509(7498), 86-90 (2014-04-25)
Tropical forests are global epicentres of biodiversity and important modulators of climate change, and are mainly constrained by rainfall patterns. The severe short-term droughts that occurred recently in Amazonia have drawn attention to the vulnerability of tropical forests to climatic...
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