Search results
Results from the WOW.Com Content Network
Hexamethylenetetramine (HMTA), also known as 1,3,5,7-tetraazaadamantane, is a heterocyclic organic compound with diverse applications. [2] [3] It has the chemical formula (CH 2) 6 N 4 and is a white crystalline compound that is highly water soluble in water and polar organic solvents.
Daniel Defense is an American arms manufacturer founded in 2002 by Marty Daniel in Savannah, Georgia.Following substantial growth from a 2002 U.S. Army Special Forces grant for M4 upper receivers, Daniel Defense expanded in 2009 and moved into a new manufacturing facility in Black Creek, Georgia, where it is now based.
Buffers act to 1) establish pH, and 2) provide ions to support conductivity. In DNA electrophoresis, the TAE (Tris-acetate-EDTA) and TBE (Tris-borate-EDTA) are the usual buffers of choice. [6] TBE buffer is preferred for small DNA pieces, whereas TAE is better suited for fragments greater than 1500 base pairs.
Bis-tris propane, or 1,3-bis(tris(hydroxymethyl)methylamino)propane, also known as BTP, is a chemical substance that is used in buffer solutions.It is a white to off-white crystalline powder that is soluble in water.
This reaction is rapid and stoichiometric, with the addition of one mole of thiol releasing one mole of TNB. The TNB 2− is quantified in a spectrophotometer by measuring the absorbance of visible light at 412 nm, using an extinction coefficient of 14,150 M −1 cm −1 for dilute buffer solutions, [4] [5] and a coefficient of 13,700 M −1 cm −1 for high salt concentrations, such as 6 M ...
N-Methylmorpholine is the organic compound with the formula O(CH 2 CH 2) 2 NCH 3.It is a colorless liquid. It is a cyclic tertiary amine.It is used as a base catalyst for generation of polyurethanes and other reactions.
It punches above its weight class when it comes to throwing around clean air. During our smoke test, we filled a small room until it had 253 micrograms of PM2.5 per cubic meter. The Core 300 ...
In general, as temperature decreases from 25 °C to 5 °C the pH of a tris buffer will increase an average of 0.03 units per degree. As temperature rises from 25 °C to 37 °C, the pH of a tris buffer will decrease an average of 0.025 units per degree.