液碱30%32%48%,硫酸98%,盐酸31%,硝酸98%68%,片碱96%99%,双氧水27.5%35%50%,二氯甲烷,柠檬酸,纯碱,焦亚硫酸钠,氨水25%-28%,水处理化学品,