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铅测试条 Method: colorimetric with test strips and reagent 20 - 40 - 100 - 200 - 500 mg/l Pb Merckoquant®
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United Scientific Supplies Graham Condenser, 24/40 Joint; 200 mm
科尔帕默中国 冷凝器类型Graham烧瓶接头尺寸24/40本体长度 (mm)200本体长度 (in)7.87描述Graham Condenser, 24/40 Joint; 200 mm
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United Scientific Supplies Liebig Condenser, 24/40 Joint; 200 mm
科尔帕默中国 冷凝器类型Liebig烧瓶接头尺寸24/40本体长度 (mm)200本体长度 (in)7.87描述Liebig Condenser, 24/40 Joint; 200 mm
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艾杰尔CleanertQuechersPSA 100mg;PC 100mg; C18 100mg; MgSO4(Anhydrous)500mg, 50/Pk
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艾杰尔Cleanert固相萃取柱500mg/500mg/6mL, 100 m2/g PC, 30/Pk
PC/PSA SPE column艾杰尔天津艾杰尔固相萃取Cleanert固相萃取柱PC/PSA SPE column500mg/500mg/6mL, 100 m2/g PC, 30/Pk
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艾杰尔Cleanert固相萃取柱500mg/3mL;100-200mesh, 50/Pk
Polyamide Column艾杰尔天津艾杰尔固相萃取Cleanert固相萃取柱Polyamide Column500mg/3mL;100-200mesh, 50/Pk
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艾杰尔Cleanert固相萃取柱500mg/6mL;100-200mesh, 30/Pk
Polyamide Column艾杰尔天津艾杰尔固相萃取Cleanert固相萃取柱Polyamide Column500mg/6mL;100-200mesh, 30/Pk
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4-乙烯基-1-环己烯,100-40-3,97%,含25-200ppm BHT稳定剂
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艾杰尔ClaricepFlash柱Spherical; 40-60 µm 100 A; 40g
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SPE固相萃取柱 COLUMN CAX AG 50W-X8(200-400mesh) 500mg/6ml 30PK
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