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                    中文版English

                    上海嘉定馬陸化工廠有限公司

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                    高純級焦亞硫酸鈉

                     

                    項目

                    指標

                    主含量(以Na2S2O5計),%

                    ≥98%

                    鐵含量(以Fe計),%

                    ≤0.001

                    澄清度

                    澄清

                    水不溶物含量,%

                    ≤0.01

                    重金屬含量(以Pb計),%

                    ≤0.0005

                    砷含量(以As 計),%

                    ≤0.0001

                    PH值
                    4.0~4.6

                     

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