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Eco滴定仪含电极无忧包-4(复合电极+ 50ml)
泵管, PP材质,772泵单元备件
电解液0.4mol/l TEABr溶于乙烯乙二醇
REACTION VESSELS, FLAT FLANGE WITH GROOVE, GRADUATED, WITH 2 SCREW THREADS GL 18, FLAT BOTTOM, DN 200, 6000 ML, OUTER ? 200, INNER ? 200, HEIGHT 320 MM, BOROSILICATE GLASS
LiChroCART 250-3,LiChrospher 100 NH2 5μm定制柱
Tip-Stack?, yellow, 2 - 200 μl, non-sterile,960 pieces
苏丹红(Sudan)ELISA检测试剂盒(鸡蛋、鸭蛋)
水质标样-甲醇中多氯联苯Aroclor1260
浊度标准溶液(浊度100)
Bond Elut 中性氧化铝 SPE小柱,500mg/3ml