jasmine0182lopez jasmine0182lopez
  • 04-02-2019
  • Health
contestada

difference between control sample and a standard

Respuesta :

annonomous20
annonomous20 annonomous20
  • 07-02-2019

 A standard contains a known amount of a substance. If u are performing an experiment you will use a sample with a known concentration to create a standard curve (a straight line). Positive and negative controls are measured against the standard curve to show the expected results if the sample u will be testing is positive or negative.

Answer Link

Otras preguntas

Why does the abandoned town of machu picchu draw admiration even today
______are small bones in the middle ear that transfer sound waves to the inner ear.
What is the greatest common factor of the terms in the expression 21x-18x+28xy? A.3 B.3x C.x D.xy
1/7-3 (3/7n-2/7) expand the expression and combine like terms
Find the solution set for the open sentence with the given replacement set. w2 – 1 = w + 5, {0, 2, 3, 5}
Fiona wrote the linear equation y = 2/5 X -5. When Henry wrote his equation they discovered that his equation had all the same Solutions as fionas. which equati
what did Patriots do when they learned that British troops intended to Invade New York
Which statement is true about Egyptian, Mesopotamian, and Roman relief sculpture? A. They were carved on flat surfaces like tomb and palace walls and columns.
Which principle of the American free enterprise system is best represented by the following statement?
Louis armstrong rose to fame in the 1920s as an