Objective:To establish a method to determine relative molecular mass and distribution of hydroxyethyl starch 130/0.4 and sodium chloride injection by size exclusion chromatography.Methods:A gel size-exclusion chromatography in conjunction with refractive index detector and multi-angle laser light scattering ...
7. Objective:To establish a method to determine relative molecular mass and distribution of hydroxyethyl starch 130/0.4 and sodium chloride injection by size exclusion chromatography. 目的:建立凝胶色谱法由多角度激光光散射检测器和示差折光检测器联用测定羟乙基淀粉130/0.4氯化钠注射液相对分子质量及分布的方...
例如：molar mass of CO2 = 44 g/mol； molar mass of NaCl = 58.5 g/mol 简单来说，只有 molar mass 的 unit 是 g/mol，而其他都是没有 unit 的 relative mass。以 H2SO4 为例（Pure H2SO4 is molecular）： Relative atomic mass of H = 1 Relative atomic mass of S = 32 Rela...
MolecularMass(Covalent) FormulaMass FormulaMass(Ionic) Formulamassisthemassofaunitcellinanioniccompound. Aunitcelliscomposedofionsintheratiooftheformula. Sodiumion Chlorideion crystallinelattice unitcell - + NaCl Theformulamassofsaltis58.443AMU. 1Sodiumcation(22.990AMU)+1Chlorideanion(35.453AMU) ...
This was attributed to the viscosity induced slow mass transfer. At 1 M HNO3, the D values for uranyl and thorium follow the trend C4mimNTf2 > C6mimNTf2 > C8mimNTf2, which was ascribed to the enhancement in organophilicity of the cation on increasing the length of the side chain and ...
select article Evidence that a respiratory shield in Escherichia coli protects a low-molecular-mass FeII pool from O2-dependent oxidation Research articleOpen access Evidence that a respiratory shield in Escherichia coli protects a low-molecular-mass FeII pool from O2-dependent oxidation Joshua D. W...
Sodium appetite is a motivational state involving homeostatic behavior, seeking the ingest of salty substances after sodium loss. There is a temporal dissociation between sodium depletion (SD) and the appearance of sodium appetite. However, the responsib
The measured molecular weights in 0.05 M buffer agree with the mass of the intact (tetrameric) hemoglobin molecule. The apparent relative de-crease in molecular weight found in 2 M salt is too small to be considered significant in the case of carbon monoxyhemoglobin and is questionable for ...
Chlorine is widely used in the industrial production of plastics and is naturally abundant in chloride salts with the Cl− anion contributing ~2% of the oceans’ mass. The most familiar of these chloride salts, rocksalt (NaCl), exhibits highly unusual properties under moderate pressures25. In ...
Molar Mass: 58.44 grams per mole Appearance: Pure sodium chloride forms odorless, colorless crystals. Many small crystals together reflect light back, making the salt appear white. The crystals may assume other colors if impurities are present. Other Properties: Salt crystals are soft. They are al...