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4,4'-二氨基二苯胺硫酸盐水合物
氟尼缩松
铝 20MM 密封垫 广口
定性标准滤纸Grade 2 (100片/盒)
DIAION HP-20SS, 100GM
SPYE肉汤
PIPETTE TIPS, PP, 2-200 μL, YELLOW, CONFORMITY CERTIFIED, UNIVERSAL
Stand bases, 210 X 130 mm, thread M10, 1 adjustable foot, with antislide rubber protection, made of stainless steel
CSK磷酸盐标准溶液 P:3.00ug atom/L(含3.05% NaCl)
250mL直管式气体洗瓶