1000ug/ml,1ml
100ug/mL,1mL
1mL
1ng/ul于环己烷,1ml
2000ng/ul于正己烷,1ml
1000ng/ul于乙腈,1ml
1000ug/ml于叔丁基甲醚,1ml
2000ug/ml于甲醇,1ml