NIOSH Analytical Method, Phosphoric Acid, S333 (Set M).
NIOSH 1976 Apr:6 pages
A colorimetric method is described for the determination of phosphoric-acid (7664382) in air. Information is given on principle of the method, range, sensitivity, interferences, precision, accuracy, advantages and disadvantages of the method, apparatus, reagents, procedure, calibration, standards, and calculations.
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