Q-Tube™ and QianCap™ PURGING systems can be operated safely and accurately with high reproducibility with a wide range of gases, including Ammonia, Nitrogen, Argon, Hydrogen, Deuterium, Carbon Monoxide, Carbon Dioxide, etc. Q-Parallel Synthesizer™ enable multiple simultaneous reactions to be...
1. Preparation of acids of type A1.1. Using cyclohexylcarbonitrile as the starting materialA preferred process involves three stages, as follows: Cyclohexylcarbonitrile (17) is reacted with a strong base, for example sodium amide or a lithium dialkylamide, so as to form a cyclohexylcarbonitrile ...
According to Campbell biology textbook, pH of 2.5 is the acidity of vinegar, and around pH of 11.5 indicates household ammonia. When HCl or NaOH is added to the buffer, the buffer was more constant in comparison of the result of water. Our solution seemed to be working as a buffer. ...
them into a cuvette and placed the cuvette in a colormeter to measure the absorbance of the solution (0 being no absorbance and 1 being no light passes through) I put the data into a graph and found the linear equation for it (y=95.082x+.0543 (the data has a R2 value of .996))....
Sodium bicarbonate is added until the fizzing of {eq}CO_2(g) {/eq} stops. If 35 ml of 6.0 M {eq}H_2SO_4 {/eq} was spilled, what is the minimum mass of {eq}NaHCO_3 {/eq} that must be added to the spill to neutralize the acid?
Open Document This purpose of this experiment was to show if metal salts would emit a brighter, more vibrant flame when burned in solutions versus its solid form. It was believed that the solid form would have the brighter and more vibrant flame because it is much more potent than the solut...
The concentration of ammonium, nitrate and phosphate was checked daily; averaged values were 1.6 ± 0.5, 50 ± 0.4 and 7 ± 0.8 mg L−1, respectively. Algal–bacterial beads preparation The inoculum was composed of the microalga Tetrades- mus dimorphus and nitrifying ...
dissolved ammonia, the conjugate bases of some organic acids and sulfide. Solutions produced in a laboratory may contain a virtually limitless number of bases that contribute to alkalinity. Alkalinity is usually given in the unit mEq/L (milliequivalent per liter). Commercially, as in the pool ind...
The reaction of CO2 with H2O is usually neglected in the overall reaction rate equation resulting the terms of 𝑟CO2,H2OrCO2,H2O in Equation (11) and kH2O[H2O] in Equation (13) can be neglected. The reaction of CO2 with amines found that the reaction rate constant with CO2 are 3630 ...