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二、制样设备及工具
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mso-font-kerning:1.0000pt;">1.设备
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mso-font-kerning:1.0000pt;">瑞绅葆电热熔样机:FSC-01型全自动熔样机
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mso-font-kerning:1.0000pt;">2.样品:
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mso-font-kerning:1.0000pt;">客户提供不锈钢粉末样品并命名:304B样,4Cr10Si2Mo样,316LB样,21-4N样,310S样,马氏体保护渣样,奥氏体保护渣样。
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mso-font-kerning:1.0000pt;">3.试剂:
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mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">硼酸锂混合熔剂(Li2B4O7:LiBO2=67:33),LiBr溶液(
mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;
mso-font-kerning:1.0000pt;">自制
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">30g
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mso-font-kerning:1.0000pt;">分析纯溴化锂
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">+70mL H₂O)
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mso-font-kerning:1.0000pt;">。
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mso-font-kerning:1.0000pt;">4.铂金坩埚:
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mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">Pt/Au: 95/5
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三、样品制备
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">称取9g硼酸锂混合熔剂
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mso-font-kerning:1.0000pt;">置于
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">铂金坩埚
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mso-font-kerning:1.0000pt;">中
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">,再加入0.9g样品,混合均匀,加入5滴LiBr溶液
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mso-font-kerning:1.0000pt;">,
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">将制备好的样品装入熔样机的坩埚架中,设置熔融温度为1
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mso-font-kerning:1.0000pt;">05
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">0℃
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mso-font-kerning:1.0000pt;">(马氏体和奥氏体保护渣粉末样设置熔融温度为1100℃)
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">,熔融时间为7分钟,摇摆时间为10分钟,倾倒前静置时间30秒,倾倒后静置时间5秒,开始运行。程序运行结束后,取出装有样
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mso-font-kerning:1.0000pt;">片
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">的模具置于耐火板上直至冷凝剥离,然后将样
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mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">进行标记,真空干燥存放。
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四、结论
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mso-font-kerning:1.0000pt;">FSC-01型全自动熔样机是瑞绅葆分析技术(上海)有限公司研制的一款XRF分析用玻璃熔片法制样设备。该设备操作简单,性能稳定,适用范围广,升温速度快。制得的样品均匀,质量好,能满足不同行业客户对XRF分析熔样制样需求。
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