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1常温发黑工作液的配制方法（1）用料主盐，CuSO4·5H2O6～11g／L；主盐Ⅱ12～17g／L；氧化剂，H2SeO33～8g／L；氧化剂Ⅱ6～11g／L；氧化剂皿2～7g／L；络合剂，柠檬酸盐3～8g／L，表面活性剂若干。（2）配制方法①将H2SeO3用1／3的水溶解，为溶液Ⅰ；②将主盐见用少许水溶解?
1 at room temperature blackening working fluid preparation method (1) material main salt, CuSO4 · 5H2O 6 ~ 11g / L; main salt Ⅱ 12 ~ 17g / L; oxidant, H2SeO33 ~ 8g / L; oxidant Ⅱ6 ~ 11g / L; 2 ~ 7g / L; complexing agent, citrate 3 ~ 8g / L, a number of surfactants. (2) preparation methods ① H2SeO3 with 1/3 of the water to dissolve, as a solution Ⅰ; ② see the main salt with a little water to dissolve?