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标样所-土壤中重金属可提取态(氯化钙法),8种金属成分
气进样针
CARBOYS,PE, WIDE MOUTH,TETRAGONAL, W.SCREW CAP,20 L.
10μl 进样针 RN 53mm V Gauge 25, SH Tip
Eye wash bottle, 175 ml, with funnel, supplied full with sterile filling in sealed condition
N-Benzylphthalimide
滴定管架
3-氨基-5,5-二甲基-2-环己烯-1-酮
10-羟基癸酸
DB-1气相毛细管柱