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catkingthy

铁杆木虫 (小有名气)

[求助] 如何往斯里兰卡邮寄化学试剂

研究室PIFI合作的一个斯里兰卡教授想让我帮忙买点试剂邮寄到斯里兰卡,试剂包括(铌酸钾、三氯化锑、双三氟甲烷磺酰亚胺锂),都是白色粉末,不易燃易爆份量加起来也不到100g。请问各位有没有往国外寄试剂方面的经验,通过哪家快递比较好,需要准备什么样的证明资料?最开始询问了EMS,说要做检测,我问检测那边,测一个样就需要好几g,这试剂买的还不够他测的...
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