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Shenyang Great Wall Filtration Cardboard Co.,Ltd

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Quantitative Filter

Quantitative filter paper in the manufacturing process of pulp treated by hydrochloric acid and hydrofluoric acid treatment and after washing with distilled water, most of the impurities in the fiber paper removed, so after burning residual ash rarely, and the analysis result is nearly not influenced, suitable for precise quantitative analysis. After ashing produce ash amount of not more than 0.0009%.