CN111141774A - 一种x射线荧光光谱分析铁合金用样片制备方法 - Google Patents
一种x射线荧光光谱分析铁合金用样片制备方法 Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000004876 x-ray fluorescence Methods 0.000 title claims abstract description 8
- 229910000640 Fe alloy Inorganic materials 0.000 title description 6
- 238000010183 spectrum analysis Methods 0.000 title description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 229910001021 Ferroalloy Inorganic materials 0.000 claims abstract description 11
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 10
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 5
- PSHMSSXLYVAENJ-UHFFFAOYSA-N dilithium;[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyborinate Chemical compound [Li+].[Li+].O=BOB([O-])OB([O-])OB=O PSHMSSXLYVAENJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 5
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical class [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001228 spectrum Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000005303 weighing Methods 0.000 claims abstract description 5
- 238000009736 wetting Methods 0.000 claims abstract description 5
- 229910000592 Ferroniobium Inorganic materials 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 description 5
- 229910052758 niobium Inorganic materials 0.000 description 5
- 239000010955 niobium Substances 0.000 description 5
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009614 chemical analysis method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000010309 melting process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
- 238000004846 x-ray emission Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- JMAHHHVEVBOCPE-UHFFFAOYSA-N [Fe].[Nb] Chemical compound [Fe].[Nb] JMAHHHVEVBOCPE-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- ZFGFKQDDQUAJQP-UHFFFAOYSA-N iron niobium Chemical compound [Fe].[Fe].[Nb] ZFGFKQDDQUAJQP-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- RHDUVDHGVHBHCL-UHFFFAOYSA-N niobium tantalum Chemical compound [Nb].[Ta] RHDUVDHGVHBHCL-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
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Abstract
本发明涉及一种X射线荧光光谱分析铁合金用样片制备方法,1)试样处理:铁合金试样研磨到0.074mm以下,干燥;2)称量0.1000‑0.2000g试样于铂金坩埚中,加水润湿,加入5‑10ml硝酸(1+1),缓慢滴加氢氟酸至试样完全溶解;3)加入3.000‑5.000g四硼酸锂于铂金坩埚内在40‑50℃加热烘干;4)试样放入熔融炉内,加入饱和硝酸钾溶液0.5‑1ml,加入分析纯溴化锂0.1000‑0.1500g,升温750‑800℃预热10‑15min,继续升温1100‑1150℃熔融,熔融10‑15min,升温熔融过程不断摇摆试样;5)熔融试样倒入铂金坩埚模具内冷却成型,制成玻璃片。本发明提高铌铁的检测速度,准确度高。
Description
技术领域
本发明涉及钢铁原料化学分析领域,特别涉及一种X射线荧光光谱分析铁合金用样片制备方法。
背景技术
铌铁在钢铁冶炼过程中作为合金添加剂使用,提高合金和钢的强度及抗腐蚀性能。由于铌资源稀少,价格昂贵。对于铌铁的验收按照铌含量的品位进行结算。目前国家标准方法结算采用《GB/T654.1铌铁化学分析方法纸上色层分离重量法测定铌、钽量》、《GB/T铌钽化学分析方法铌中钽量的测定》。目前,随着仪器分析的逐步发展,合金的仪器分析方法正在逐步取代化学分析方法。本方法借鉴铁矿石熔片X射线荧光光谱法分析的经验,对合金在熔融过程对坩埚的腐蚀进行了预氧化处理,有效地避免了熔融过程对铂金坩埚的腐蚀,将铁合金熔融成玻璃样片,采用X射线荧光光谱法对样片进行准确分析。
发明内容
本发明所要解决的技术问题是提供一种X射线荧光光谱分析铁合金用样片制备方法,提高铌铁的检测速度。
为实现上述目的,本发明采用以下技术方案实现:
一种X射线荧光光谱分析铁合金用样片制备方法,包括以下步骤:
1)试样处理:铁合金试样研磨到0.074mm以下,干燥;
2)称量0.1000-0.2000g试样于铂金坩埚中,加水润湿,加入5-10ml硝酸(1+1),缓慢滴加氢氟酸至试样完全溶解;
3)加入3.000-5.000g四硼酸锂于铂金坩埚内在40-50℃加热烘干;
4)试样放入熔融炉内,加入饱和硝酸钾溶液0.5-1ml,加入分析纯溴化锂0.1000-0.1500g,升温750-800℃预热10-15min,继续升温1100-1150℃熔融,熔融10-15min,升温熔融过程不断摇摆试样;
5)熔融试样倒入铂金坩埚模具内冷却成型,制成玻璃片。
与现有的技术相比,本发明的有益效果是:
本发明通过熔融方法处理铁合金,采用X射线荧光光谱法分析铁合金中的铌、钽元素。提高分析周期48小时。能够快速熔制铁合金类样品玻璃片,具有较高的准确度、重复性、再现性。
具体实施方式
下面结合实施例对本发明进一步说明:
以下实施例对本发明进行详细描述。这些实施例仅是对本发明的最佳实施方案进行描述,并不对本发明的范围进行限制。
1)试样处理:铁合金试样研磨到0.074mm以下,干燥;
2)称量0.1000-0.2000g试样于铂金坩埚中,加水润湿,加入5-10ml硝酸(1+1),缓慢滴加氢氟酸至试样完全溶解;
3)加入3.000-5.000g四硼酸锂于铂金坩埚内在40-50℃加热烘干;
4)试样放入熔融炉内,加入饱和硝酸钾溶液0.5-1ml,加入分析纯溴化锂0.1000-0.1500g,升温750-800℃预热10-15min,继续升温1100-1150℃熔融,熔融10-15min,升温熔融过程不断摇摆试样;
5)熔融试样倒入铂金坩埚模具内冷却成型,制成玻璃片。
实施例
一种X射线荧光光谱分析铁合金用样片制备方法,包括以下步骤:
1)试样处理:铁合金试样研磨到0.074mm以下,干燥;
2)称量0.1000试样于铂金坩埚中,加水润湿,加入10ml硝酸(1+1),缓慢滴加氢氟酸至试样溶解;
3)加入5.000g四硼酸锂于铂金坩埚置在50℃缓慢加热烘干;
4)试样放入熔融炉内,加入饱和硝酸钾溶液0.5-1ml,加入分析纯溴化锂0.1000g,升温800℃预热10min,继续升温1150℃下熔融,熔融10min,升温熔融过程不断摇摆试样;
5)熔融试样倒入铂金坩埚模具内冷却成型,制成玻璃片。
Claims (1)
1.一种X射线荧光光谱分析铁合金用样片制备方法,其特征在于,包括以下步骤:
1)试样处理:铁合金试样研磨到0.074mm以下,干燥;
2)称量0.1000-0.2000g试样于铂金坩埚中,加水润湿,加入5-10ml硝酸(1+1),缓慢滴加氢氟酸至试样完全溶解;
3)加入3.000-5.000g四硼酸锂于铂金坩埚内在40-50℃加热烘干;
4)试样放入熔融炉内,加入饱和硝酸钾溶液0.5-1ml,加入分析纯溴化锂0.1000-0.1500g,升温750-800℃预热10-15min,继续升温1100-1150℃熔融,熔融10-15min,升温熔融过程不断摇摆试样;
5)熔融试样倒入铂金坩埚模具内冷却成型,制成玻璃片。
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Application publication date: 20200512 |