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cjn288

至尊木虫 (著名写手)

[求助] 悬赏20个BB询价

学院准备买几样设备,请大家帮忙看看大致的价位(以美金或人民币为单位均可):

1. 原子力显微镜:
(1)Veeco的nanoscope系列,Nanoscope IIIa      价格:
(2)Veeco的nanoscope系列,nanoscope 3D     价格:
(3)DI 第八代多功能扫描探针显微镜(di Multimode 8 SPM)
(4)瑞士NANOSURF NANITE   价格:           
(5)Nanosurf Easyscan 2        价格:
  需对纳米材料的表面进行表征,选择上述哪一款较好?性价比如何?

2.  激光粒度分析仪(英国马尔文):
(1)Zetasizer Nano ZS    价格:
(2)Mastersizer 3000   价格:
(3)Zetasizer Nano ZS90   价格:

3.  凝胶渗透色谱仪:
(1)Waters凝胶色谱仪GPC(Waters 2695 GPC)  价格:
(2)Waters的1525 凝胶渗透色谱仪    价格:

[ Last edited by cjn288 on 2013-6-10 at 10:58 ]
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