The influence of surface impurities on the chemical modification process (coverage density) with monooctadecylsilane has been studied. The surfaces of the adsorbents, before chemical modification, were cleaned by extraction with 20% HCl. Bare and modified materials were characterized using different ...
How much concentrated hydrochloric acid solution(36.0 percent HCl by mass, d = 1.18 g/mL), in milliliters, is required to produce 13.0 L of 0.200 M HCl? What volume ml of a concentrated 6.0 m HCl ...
Briefly, after uniformly suspending the stored ILGs, 100 µL of the ILGs (in triplicate as a main test) or 10 mM Tris-HCl (pH 7.4) containing 150 mM NaCl and 1 mM Na2EDTA (Buffer A) (in duplicate as a background of a sample) were aliquoted into a 2-mL tube. Then, 150 ...
The relationship of density with temperature and concentration are discussed. The molar volume of the solutions with respect to the temperature is also calculated from the experimental value of the density. The results indicate that TEAI with the higher density can be an efficient hydrate inhibitor ...
Mass of ethanol=100mL×0.8g/mL=80g Step 2: Calculate the number of moles of ethanol The molecular mass of ethanol (C₂H₅OH) is calculated as follows: - Carbon (C): 2 × 12 g/mol = 24 g/mol - Hydrogen (H): 6 × 1 g/mol = 6 g/mol ...
Antibody was purified by protein A beads from the cell culture supernatant and eluted by 50 mM Gly-HCl (pH 3.0), neutralized with 1 M Tris (pH 8.0). Antibodies were then changed into PBS buffer concentrated with 50 kDa Amicon Ultra-4 tube (Millipore, UFC805024) and protein ...
Sentenac P,Bur Y,Rauzy E,Berro C.Density of Methanol+Water Between 250K and 440K and up to 40Mpa and Vapor-Liquid Equilibria From 363K to 440K... Philippe,Sentenac,Yves,... - 《Journal of Chemical & Engineering Data》 被引量: 14发表: 1998年 The enthalpy of dilution of HCl(aq) ...
Answer to: The volume of a 21.8% (by mass) solution is 153.6 mL. The density of the solution is 1.144 g/mL. What is the mass of solute in this...
Subcellular fractionation of HeLa cells HeLa cells were grown in culture dishes (ø 6 cm) and lysed in hypotonic lysis buffer (HLB) (10 mM Tris-HCl, pH 7.5, 10 mM NaCl, 3 mM MgCl2, 0.3% NP-40) supplemented with cOmplete protease inhibitor cocktail (Roche, Basel, Switzerland)...
Sample pH was adjusted to 6.0 by the dropwise addition of HCl. Ionic strength of 0.01 M NaCl was used. Data were processed using the software suite Demeter [44]. Background subtraction was performed using Athena [44] and IFEFFIT [45] with a frequency cutoff parameter (Rbkg) set to 0.8....