Explain the preparation of triethanolamine buffer

Reference no: EM13549221

Describe the preparation of 250 mL of 0.6 M triethanolamine buffer, pH 7.2, from the free amine and 1.0 M HCl (pK for the amine hydrochloride is 7.80).

Reference no: EM13549221

Questions Cloud

How much power will be required : A 12 in diameter pipe, 9200 f t long (f = 0.024) discharges freely into the air at an elevation 18 f t below the surface of the water at intake. It is necessary to double the flow by inserting a pump at upstream end of pipe, If the efficiency of the ..

Does this construction method have any play in the construct : Battered piles are used on many construction projects as a permanent part of the element being constructed. Does this construction method have any play in the construction of a temporary earth retention system?

What would the fractional removal of : What is the settling velocity of a floc of diameter 0.15 mm and density 2.12 g/cm3 in water? 2- Will the floc from problem 4 be completely removed in a typical sedimentation basin if alum was used as the coagulant?

What would be the vertical load on the sample : A core sample of basalt, 4 inches long and 2 inches in diameter, was tested in unconfined compression. The basalt is known to have a modulus of elasticity = 9.1 x 106 psi.

Explain the preparation of triethanolamine buffer : Describe the preparation of 250 mL of 0.6 M triethanolamine buffer, pH 7.2, from the free amine and 1.0 M HCl (pK for the amine hydrochloride is 7.80).

Define what volume increase is necessary for all the water : A vessel contains 0.90 g liq H2O in equilibrium with water vapor at 30C. At this temperature, the vapor pressure of H2O is 31.82 torr. What volume increase is necessary for all the water to evaporate

Determine the incremental rate of return between company : The General Hospital is evaluating new office equipment offered by three companies. The interest rate is 8%. Company A Company B Company C Cost $500 $600 $700 Annual benefit 130 115 100 End of useful life salvage value 0 250 180 Useful life (yrs) 5 5..

Explain what weight of sodium acetate trihydrate : What volume of glacial acetic acid (18 M) and what weight of sodium acetate trihydrate (CH3COONa•3H2O) are required to make 100 mL of 0.2 M buffer at pH 4.50 (pKa of acetic acid is 4.74)

What is the discharge through the pipe for a water : A fire hydrant is supplied through a 6 inch cast iron pipe of 16,000 feet length. The total drop in pressure is limited to 35 psi. What is the discharge through the pipe for a water temperature of 80°F

User Account

All Pages