ammonium chloride solution 1000mg/L,GB/T6909-2018(不含EDTA盐),10μg/mL, 介质: H2O, 以氯计,1002μg/mL, 介质: H2O, 以氯计,31.5μg/mL, 介质: H2O, 以氯化铵计,5g/L, 介质: H2O,214g/L, 介质: H2O