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1仪器和试剂1．1原理：空气中二巯基辛基锡（分子式C36H72O4S2Sn；商品名SD－8831）溶于乙醇溶液，把此溶液注入石墨炉高温原子化，根据锡的基态原子对其特征谱线的吸收程度而定量。1.2仪器1.2.1WFX-IE2原子吸收分光光度计，带石墨炉（WF-4A型）（WF-IB电源），手动进样，氘灯
1 instruments and reagents 1.1 Principle: dimercaptooctyl tin in the air (molecular formula C36H72O4S2Sn; trade name SD-8831) was dissolved in ethanol solution, the solution was injected into a graphite furnace at high temperature atomization, according to the ground state atoms of tin to its characteristic line Absorption and quantitative. 1.2 Instrument 1.2.1WFX-IE2 atomic absorption spectrophotometer with graphite furnace (WF-4A type) (WF-IB power), manual injection, deuterium lamp