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Study of Nitrogen and Sulfur Content Testing Method in Mold Material
Author(s): 
Pages: 20-24
Year: Issue:  3
Journal: MOLDING MATERIALS

Keyword:  造型材料含氮量含硫量检测方法;
Abstract: 为了对型芯砂、煤粉代用材料和增碳剂等进厂材料的含氮量和含硫量进行检测和控制,现生产急需适当的检测方法.本文通过试验研究,找到了上述方法.通过检测试验发现,我们找到的测定方法所测定的含氮量和树脂砂的含氮量具有很好的线性相关性,而且简单易行;含硫量测定方法准确性高,适应面广,不宜采用红外碳硫仪进行检测的材料,该法也能很好的完成.
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