Your data may not fit your pet idea, or even the generally accepted scientific theory, but that does not they are wrong.
Meausring the carbon content of soils, sediments and rocks is a key measurement in geochemistry and other related sciences.
For the last 2 years, Kelly Vere has been talking about technicians to every important person she can find, representing us [technicians] at the Science Council.
Although aqueous hydrofluoric acid is not a strong acid, it is very useful. Unfortunately, it is also very dangerous.
BET is one of the few methods available for surface area measurement and has the advantage of being able to give a measure of porosity.
Calibration standards are key to the analytical process as they are used to create the calibration curve. Better the calibration standards the better calibration curves and so the better the results.
For most measurements in analytical chemistry some form of calibration curve is required. The better the calibration the more accuracy and precise are the results that you can achieve.