Home / Standards / GB 9726-88 GB 9726-88 Chemical reagent—General rules for the determination of permanganate-reducing substances 化 学 试 剂 还原高锰酸钾物质测定通则 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A