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Paper, board and pulps. Determination of pH of salted water extracts.

Paper, board and pulps — Determination of pH of salted water extracts

Overview ISO 29681:2009 specifies a standardized method for the determination of pH of salted water extracts of paper, board and pulps. The method uses a 0.100 M KCl (salted water) extract to reduce…

Cinematography — Recorded characteristics for magnetic sound record on 8 mm Type S motion- picture prints and…