WX0001

水

suitable for LC/MS, OmniSolv^®, suitable for SM 4500 - NH3

• 别名: Aqua, Dihydrogen oxide
• 线性分子式: H₂O
• CAS号: 7732-18-5
• 分子量: 18.02
• Beilstein: 2050024
• MDL编号: MFCD00011332
• UNSPSC代码: 50202301

属性

• 产品名称: 水, Suitable for LCMS chromatography, OmniSolv® (Updated non-compliant text)
• Agency: suitable for SM 4500 - NH3
• 质量水平: 100
• 蒸汽压: 23 hPa ( 20 °C)
• 产品线: OmniSolv^®
• 表单: liquid
• 保质期: 12 mo. (from manufacture date)
• 技术: HPLC: suitable; LC/MS: suitable
• 杂质: ≤50 ppb p-nitrophenol (LC/MS); ≤50 ppb reserpine (LC/MS)
• 蒸发残留物: ≤1 ppm
• 折射率: n20/D 1.34 (lit.)
• pH值（酸碱度）: 6.0- 8.0 (25 °C, 77 °F)
• 沸点: 100 °C (lit.)
• mp: 0 °C (lit.)
• 溶解性: water: miscible
• 密度: 1.000 g/mL at 3.98 °C (lit.)
• UV cutoff: ≤190 nm
• 紫外吸收: λ: 200 nm A_max: ≤0.01; λ: 210 nm A_max: ≤0.01; λ: 220 nm A_max: ≤0.01; λ: 230 nm A_max: ≤0.01; λ: 240 nm A_max: ≤0.01; λ: 250 nm A_max: ≤0.005; λ: 270 nm A_max: ≤0.005; λ: 400-280 nm A_max: ≤0.005
• 应用: general analytical
• 运输: ambient
• 储存温度: room temp
• SMILES字符串: O
• InChI: 1S/H2O/h1H2
• InChI key: XLYOFNOQVPJJNP-UHFFFAOYSA-N

说明

一般描述

Water of OmniSolv^® grade is commonly used as a solvent for liquid chromatography-mass spectrometry (LC-MS-MS) analysis and as a rinsing solvent to wash columns. [1]

应用

Water OmniSolv^® grade is used as a mobile phase solvent for preparing samples to analyze 4-hydroxynonenal-glutathione by LC-MS/MS. [2]

制备说明

Product filtered through a 0.2 μm filter

分析说明

Expiration date: Exp 12 months from mfg date
Evaporation residue: 1ppm max
Filtered through 0.2 m filter: To pass test
Fluorescence as quinine at 254 nm: 1ppb max
Fluorescence as quinine at 365 nm: 1ppb max
Gradient at 210 nm: 2mAU max
Gradient at 254 nm: 0.5mAU max
LC/MS Purity (p-nitrophenol): 50ppb max
LC/MS Purity (reserpine): 50ppb max
Metals, suitable for LC/MS: Passes test
UV Abs. at 200 nm: 0.01AU max
UV Abs. at 210 nm: 0.01AU max
UV Abs. at 220 nm: 0.01AU max
UV Abs. at 230 nm: 0.01AU max
UV Abs. at 240 nm: 0.01AU max
UV Abs. at 250 nm: 0.005AU max
UV Abs. at 270 nm: 0.005AU max
UV Abs. at 400-280 nm: 0.005AU max
UV Cut-off: 190nm max

法律信息

OMNISOLV is a registered trademark of Merck KGaA, Darmstadt, Germany

安全信息

• 储存分类代码: 12 - Non Combustible Liquids
• WGK: nwg
• 闪点(°F): Not applicable
• 闪点(°C): Not applicable