Abstract: The disclosure relates to a radioisotope-labelled compound having a structure according to formula I, wherein a wavy line indicates a single bond between a non-nodal carbon atom of a polycyclic aromatic system and an R1 substituent selected from a hydrogen; a halogen; a hydroxy; a protected hydroxy; a C1-4 alkoxy; a nitro group; an amino group; an amino group having 1 hydrogen replaced with a C1-C6 alkyl group; an amino group having 2 hydrogens replaced with a C1-C6 alkyl group; an amino group having 2 hydrogen atoms replaced with C2-5 alkylene to form a heterocyclic ring; a chain C1-6 carbon group; a chain C1-6 carbon group having a substituent selected from a halogen, carboxyl, a formyl, and a C1-4 alkanesulfonic; a phenyl group; a phenyl group having 1-5 substituents independently selected from halogens, a chain C1-6 carbon, a halogenated chain C1-6 carbon substituent, a hydroxy, a protected hydroxy, a C1-4 alkoxy, and an amino group having 1-2 atoms of hydrogen replaced with C1-6 alkyl; wherein R2 is a ch

Abstract: The present invention relates to an apparatus and process for measuring a property of a material such as the moisture content of cotton fiber. An embodiment is specifically adapted for determining an absolute value of the moisture content of the cotton fiber while being conveyed through ducts such as the ducts of the ginning machine. The embodiment combines large area capacitor plates with light detectors.

Abstract: The present invention relates to an apparatus and process for measuring a property of a material such as the moisture content of cotton fibre. An embodiment is specifically adapted for determining an absolute value of the moisture content of the cotton fibre while being conveyed through ducts such as the ducts of the ginning machine. The embodiment combines large area capacitor plates with light detectors.

Abstract: There is described apparatus for measuring uniformity of a laminar material (1) as the material is delivered from a laminar material delivery machine (2), the apparatus has a measurement rig (10) arranged across the width of the laminar material.