产品信息 CAS号109-99-9 EC索引编号603-025-00-0 EC号203-726-8 Hill配方C₄H₈O Molar Mass72.11 g/mol HS代码2932 11 00 应用 应用Tetrahydrofuran for liquid chromatography LiChrosolv®. CAS 109-99-9, pH 7 - 8 (200 g/l, H₂O, 20 °C). ...
The present invention relates to at least two polyethylene glycol polyether polyols have different average molar mass, and at least two different polyisocyanate component prepared novel aqueous polyurethane dispersions.S·多尔H·G·戈布洛维茨T·费勒...
Name:Tetrabutylammonium fluoride,CAS:429-41-4.Molecular Fomula:C16H36FN,Molar Mass:261.46,Density:0.953g/mLat 25°C,Melting Point:62-63°C(lit.),Flashing Point:1°F,Solubility:Insoluble in water.,Refractive Index:n20/D 1.456,MSDS,Hazard,Safety.
Name:THORIUM OXYFLUORIDE,CAS:13597-30-3.Molecular Fomula:F2OTh,Molar Mass:286.03,MSDS,Hazard,Safety.
Using the densities at these temperatures, the excess molar volumes of this system at these temperatures were calculated using the following relationship.(3)VE=1/ρ(xTHFMTHF+xH2OMH2O)−(xTHFVTHF+xH2OVH2O),where, ρ is the density of the solution, xTHF,xH2O are the mole fractions of ...
Balance NH4F + Th(NO3)4 = ThF4 + NH4NO3 Using Inspection Step 1: Count the number of each element on the left and right hand sides Reactants (Left Hand Side)Products (Right Hand Side) NH4FTh(NO3)4TotalThF4NH4NO3Total N14522❌ ...
The present invention relates to aqueous polyurethane dispersions novel produced using a polyisocyanate component with at least two different poly-and two (tetramethylene glycol) polyether polyol having at least an average molar mass different.ゼバスティアンデーア...
The present invention relates to aqueous polyurethane dispersions novel produced using a polyisocyanate component with at least two different poly-and two (tetramethylene glycol) polyether polyol having at least an average molar mass different.ゼバスティアンデーア...
in which the precursors of relevant diol are present with average molecular weights Mn of 400 to 8000 g / mol and the diol with the lower molar mass A2a) has an average number molecular weight Mn is 10 to 80% of the average number molecular weight Mn of the diol with molar mass higher...
Some of these parameters are isentropic compressibility (魏s), intermolecular free length (L f), relaxation strength (r), relative association (R A), Rao's molar constant (R m), van der Waal's constant (b), molar compressibility (W), internal pressure (蟺), free volume (V f), ...