| 钢芯铝块中铁铝比例和铝纯度的测定 |
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| 引用本文： | 王俊秀,薛明浩,王际祥.钢芯铝块中铁铝比例和铝纯度的测定[J].冶金标准化与质量,2008,46(1):16-18. |
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| 作者姓名： | 王俊秀 薛明浩 王际祥 |
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| 作者单位： | 1. 山东鲁丽钢铁有限公司,山东,寿光,262724
2. 莱芜钢铁公司,山东,莱芜,271104 |
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| 摘 要： | 利用钢铁和铝的熔点不同的特性，将钢芯铝块置于设定的温度下，使铝熔化与钢芯铁棒分离、冷却，分别称量钢芯铁棒和铝的重量计算铁和铝的比例。铝的纯度的测定，在熔化冷却的铝块上钻取试样，以氢氧化钠溶解酸化定容，取部分试液用氟化铵取代-EDTA间接滴定法测定铝的含量。
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| 关 键 词： | 钢芯铝 铝和铁的熔点不同 铝熔化 铝铁比例 铝 |
Determination of ratio of Fe & AI and purity of Al in steel-core aluminum block |
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| WANG Jun-xiu,XUE Ming-hao,WANG Ji-xiang.Determination of ratio of Fe & AI and purity of Al in steel-core aluminum block[J].Metallurgical Standardization & Quality,2008,46(1):16-18. |
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| Authors: | WANG Jun-xiu XUE Ming-hao WANG Ji-xiang |
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| Affiliation: | WANG Jun-xiu XUE Ming-hao (Sh,ong Luli Iron & Steel Co.,Ltd,Shouguang 272624,China)WANG Ji-xiang (The center R & D of Technology,Laiwu Iron & Steel Co.,Laiwu 271104,China) |
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| Abstract: | In this paper,bases on the different melting point of steel and aluminum,steel-core aluminum block will be placed in prepared temperature,the melting aluminum and steel-core crowbar separating,cooling,and respectively weighing steel core crowbar and aluminum,so obtained ratio of Fe & A1.Determination of the purity aluminum,the samples drilled on the the cooling molten aluminium block,solute in sodium hydroxide,take some test solution with ammonium fluoride replace -EDTA titration indirectly to determine alu... |
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| Keywords: | steel-core aluminum molten aluminium ratio of Fe & Al aluminium |
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