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AXIT OXALIC 99.6% – OXALIC ACID – C₂H₂O₄·2H₂O
MUỐI CÔNG NGHIỆP SULPHATE – NATRI SUNFAT – SODIUM SULPHATE 99% – NA₂SO
TẨY ĐƯỜNG TRUNG QUỐC – SODIUM HYDROSULFITE – NA₂S₂O₄ 80–90%
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