亚洲精品综合日韩中文字幕网站_精品综合久久久久97_中文在线天堂网www_久久精品免费一区二区三区_91久久国产综合精品女同国语_久久资源总站在线国产成人

EA3000预装石英反应管

E12509 SA999940 Transparent Quartz Tube, 450/18/6 mm 2  空石英反应管

E12531 SA25204510 Transparent Quartz Insert, 210/13 mm 1    石英衬管

E10514 SA990716 Quartz wool, 4 um   5g   石英棉

E10160 SA990630 Silvered cobaltous oxide, Granulate 8-30 mesh 25g 镀银氧化钴

E10101 SA990610B Chromium (III)-oxide, Granulate 8-30 mesh   50g 三氧化二铬

E10130 SA99060204 Reduced Copper, Wire, diam. 0,7mm, (for sulfur analysis), Ampoule  40g  还原铜丝 （S的分析）

E10121 SA99060102 Reduced Copper, Wire, diam. 0,7mm, Ampoule  100g还原铜丝

E12001 SA76980502 Tin capsules for solids, 3.3 x 5 mm 250      锡杯

E12005 SA76981101 Tin capsules for solids , 5 x 9 mm 100    压制锡杯

E12055 SA76981105 Silver capsules for solids, 5 x 9 mm 100     银杯

E13040 SA46830500B Prepacked Reactor for Eurovector, CHNS/CNS/S, Transparent Quartz Tube  450/18/6 mm   1  三氧化钨，还原铜，EA3000预装石英反应管

E11001 SA990744   Acetanilide Standard     1g  乙酰苯胺

E11008 SA990746   Atropine Standard   1g    阿托品

E11028 SA990750   Sulphanilamide Standard       1g      磺胺

E11037-A SAAR4016 Soil Standard, 2.24% C & 2.08% S   25g 土壤标样

E13502 SA990740 Small trap tube for H2O with plug and septa, 120/12 mm 1  水阱

E13041 SA13041 Prepacked Reactor for Eurovector, CHN/CN/N, Transparent Quartz Tube  450/18/6 mm   单炉 镀银氧化钴，三氧化二铬，高纯铜