A stabilized basic aqueous hydrogen peroxide composition is disclosed. The composition contains about 0.3 wt % to about 15 wt % of hydrogen peroxide; water; and a stabilizer system that contains about 10 ppm to about 1% of a stannate stabilizer; 10 ppm to about 1% of a phosphonic acid chelating agent or a mixture of phosphonic acid chelating agents; and 10 ppm to about 1% of an aromatic chelating agent or a mixture of aromatic chelating agents. The composition comprises less than about 10 ppm pyrophosphate, preferably no pyrophosphate; and has a pH greater than 7.0, preferably about 8.0 to about 10.5.
本发明公开了一种稳定的碱性
过氧化氢水溶液组合物。该组合物含有约 0.3 重量百分比至约 15 重量百分比的
过氧化氢;
水;以及稳定剂体系,该稳定剂体系含有约 10 ppm 至约 1%的
锡酸盐稳定剂;10 ppm 至约 1%的
膦酸螯合剂或
膦酸螯合剂混合物;以及 10 ppm 至约 1%的芳香族
螯合剂或芳香族
螯合剂混合物。该组合物包含小于约 10 ppm 的
焦磷酸盐,最好不含
焦磷酸盐;pH 值大于 7.0,最好约为 8.0 至约 10.5。