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表5 硫酸铜铜含量测定计算表(不加KSCN)

${c_{{\rm{CuS}}{{\rm{O}}_{\rm{4}}}}}$/(mol·L?1) 次数 ${c_{{\rm{N}}{{\rm{a}}_{\rm{2}}}{{\rm{S}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}}}$/(mol·L?1) * ${V_{{\rm{KI}}}}$/mL ${V_{{\rm{N}}{{\rm{a}}_{\rm{2}}}{{\rm{S}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}}}$/mL ** ${V_{{\rm{N}}{{\rm{a}}_{\rm{2}}}{{\rm{S}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}}}$/mL ${\rho _{{\rm{Cu}}}}$/(g·L?1) ${\rho _{{\rm{Cu}}}}$/(g·L?1) * RAD/% 0.025 1 0.02707 4 20.00 22.50 1.548 1.549 0.11 2 0.02707 4 20.00 22.55 1.552 3 0.02707 4 20.00 22.50 1.548 0.05 1 0.05276 8 22.50 23.75 3.185 3.187 0.10 2 0.05276 8 22.50 23.80 3.192 3 0.05276 8 22.50 23.75 3.185 0.1 1 0.1024 8 19.00 20.20 5.258 5.258 0.00 2 0.1024 8 19.60 20.20 5.258 3 0.1024 8 19.00 20.20 5.258