通过接触角测定仪来表征纳米化NGO的亲水性。样品制备步骤:测试前将NGO粉末在10 MPa下通过台式粉末压片机压缩10分钟,形成薄而平坦的薄膜从而进行测试。
The hydrophilicity of nano-gnos was characterized by contact angle analyzer. Sample preparation steps: NGO powder is compressed at 10 MPa by a benchtop powder tablet press for 10 minutes before testing to form a thin, flat film for testing.