Measurement of ash composition using scanning high voltage...

Details Measurement of ash composition using scanning high voltage... Measurement of ash composition using scanning high voltage...

2005-12-27

2008-05-20

Yun, Jurie (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Absorption

C378S210000

Reexamination Certificate

active

07376215

ABSTRACT:
A system, method and computer program product is provided that enables measurement and determination of the relative material composition of ash content in a paper product. While materials in ash content, e.g., CaCaO3, Clay, and TiO2, have distinct x-ray absorption spectrum, by varying an X-ray gauge rapidly, measuring the absorption at each energy level and, comparing this to tables of fundamental physical parameters, the relative fractions of materials in ash content, e.g., CaCaO3, Clay, and TiO2, can be extracted. The relative weights of other constituent materials found in web or sheet paper products are additionally determinable.

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patent: WO 00/71996 (2000-11-01), None

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