Method and apparatus for measuring quantity of admixture in read

Details Method and apparatus for measuring quantity of admixture in read Method and apparatus for measuring quantity of admixture in read

1991-06-20

1993-07-13

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415313, 204415, G01N 2726

Patent

active

052270378

ABSTRACT:
A method of measuring the quantity of an admixture in ready-mixed concrete comprises the steps of collecting volatile components generated from the admixture, measuring the concentration of the collected volatile components, and deriving the quantity of the admixture in the ready-mixed concrete from the measured concentration of the volatile components. An apparatus for executing this method comprises a detecting probe and a main measuring unit. The probe includes a gas collecting section and a gas sensor. The main measuring unit for carrying out arithmetic operations on detection information received from the detected probe, and includes a controller for microprocessor the operation of the entire apparatus, and a display for displaying the detected information received from the microprocessor.

REFERENCES:
patent: 3871228 (1973-05-01), Weiss
patent: 4619739 (1986-10-01), Kanno et al.
patent: 4741201 (1986-12-01), Propst

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