A combination of BTA and 5MBTA gives a synergistic effect and the optimum ratio with the total amount of 40mg/L is 20mg/L BTA+20mg/L 5MBTA. ?

• 复合配方试验结果表明，当缓蚀剂总浓度为40mg/L，BTA与5MBTA复配的最佳比例为20mg/LBTA＋20mg/L5MBTA时，显示出协同效应。