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*m*s*o*-*c*h*a*r*-*i*n*d*e*n*t*-*c*o*u*n*t*:* *1*.*5*"* *a*l*i*g*n*=*l*e*f*t*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*;* *m*s*o*-*f*o*n*t*-*k*e*r*n*i*n*g*:* *0*p*t*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*f*a*m*i*l*y*:* *宋*体*"*>*试*剂*及*配*制*：*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*/*P*>* * *<*P* *c*l*a*s*s*=*M*s*o*N*o*r*m*a*l* *s*t*y*l*e*=*"*M*A*R*G*I*N*:* *0*c*m* *0*c*m* *0*p*t*;* *T*E*X*T*-*I*N*D*E*N*T*:* *1*8*p*t*;* *L*I*N*E*-*H*E*I*G*H*T*:* *1*7*p*t*;* *T*E*X*T*-*A*L*I*G*N*:* *l*e*f*t*;* *m*s*o*-*p*a*g*i*n*a*t*i*o*n*:* *w*i*d*o*w*-*o*r*p*h*a*n*;* *m*s*o*-*l*i*n*e*-*h*e*i*g*h*t*-*r*u*l*e*:* *e*x*a*c*t*l*y*;* *m*s*o*-*c*h*a*r*-*i*n*d*e*n*t*-*c*o*u*n*t*:* *1*.*5*"* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*;* *m*s*o*-*f*o*n*t*-*k*e*r*n*i*n*g*:* *0*p*t*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*f*a*m*i*l*y*:* *宋*体*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*s*i*z*e*:* *1*0*.*5*p*t*"*>*试*剂*规*格*：*①*盐*酸*：*分*析*纯*；*②*氯*化*钡*：*分*析*纯*；*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *c*l*a*s*s*=*M*s*o*N*o*r*m*a*l* *s*t*y*l*e*=*"*M*A*R*G*I*N*:* *0*c*m* *0*c*m* *0*p*t*;* *T*E*X*T*-*I*N*D*E*N*T*:* *1*8*p*t*;* *L*I*N*E*-*H*E*I*G*H*T*:* *1*7*p*t*;* *T*E*X*T*-*A*L*I*G*N*:* *l*e*f*t*;* *m*s*o*-*p*a*g*i*n*a*t*i*o*n*:* *w*i*d*o*w*-*o*r*p*h*a*n*;* *m*s*o*-*l*i*n*e*-*h*e*i*g*h*t*-*r*u*l*e*:* *e*x*a*c*t*l*y*;* *m*s*o*-*c*h*a*r*-*i*n*d*e*n*t*-*c*o*u*n*t*:* *1*.*5*"* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*;* *m*s*o*-*f*o*n*t*-*k*e*r*n*i*n*g*:* *0*p*t*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*f*a*m*i*l*y*:* *宋*体*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*s*i*z*e*:* *1*0*.*5*p*t*"*>*试*剂*配*制*：*①*<*S*P*A*N*>*3*0*%*<*/*S*P*A*N*>*氯*化*钡*溶*液*：*将*<*S*P*A*N*>*3*0*0*<*/*S*P*A*N*>*克*分*析*纯*氯*化*钡*配*制*成*<*S*P*A*N*>*1*0*0*0*<*/*S*P*A*N*>*毫*升*溶*液* *②*<*S*P*A*N*>*1*<*/*S*P*A*N*>*：*<*S*P*A*N*>*1*<*/*S*P*A*N*>*盐*酸*溶*液*：*<*S*P*A*N*>*1*<*/*S*P*A*N*>*体*积*盐*酸*和*<*S*P*A*N*>*1*<*/*S*P*A*N*>*体*积*蒸*馏*水*混*合*。*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *c*l*a*s*s*=*M*s*o*N*o*r*m*a*l* *s*t*y*l*e*=*"*M*A*R*G*I*N*:* *0*c*m* *0*c*m* *0*p*t*;* *T*E*X*T*-*I*N*D*E*N*T*:* *2*0*.*6*5*p*t*;* *L*I*N*E*-*H*E*I*G*H*T*:* *1*7*p*t*;* *T*E*X*T*-*A*L*I*G*N*:* *l*e*f*t*;* *m*s*o*-*p*a*g*i*n*a*t*i*o*n*:* *w*i*d*o*w*-*o*r*p*h*a*n*;* *m*s*o*-*l*i*n*e*-*h*e*i*g*h*t*-*r*u*l*e*:* *e*x*a*c*t*l*y*;* *m*s*o*-*c*h*a*r*-*i*n*d*e*n*t*-*c*o*u*n*t*:* *1*.*4*7*"* *a*l*i*g*n*=*l*e*f*t*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*4*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*;* *m*s*o*-*f*o*n*t*-*k*e*r*n*i*n*g*:* *0*p*t*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*f*a*m*i*l*y*:* *宋*体*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*s*i*z*e*:* *1*2*.*0*p*t*"*>*分*析*方*法*：*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*/*P*>* * *<*P* *c*l*a*s*s*=*M*s*o*N*o*r*m*a*l* *s*t*y*l*e*=*"*M*A*R*G*I*N*:* *0*c*m* *0*c*m* 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*1*0*.*5*p*t*"*>*、*取*镀*铬*液*（*若*溶*液*中*有*杂*质*需*过*滤*）*冷*却*至*室*温*，*用*<*S*P*A*N*>*2*0*<*/*S*P*A*N*>*毫*升*移*液*管*取*上*述*镀*铬*溶*液*<*S*P*A*N*>*2*0*<*/*S*P*A*N*>*毫*升*放*至*离*心*管*内*，*用*移*液*管*加*入*<*S*P*A*N*>*1*<*/*S*P*A*N*>*：*<*S*P*A*N*>*1*<*/*S*P*A*N*>*盐*酸*<*S*P*A*N*>*5*<*/*S*P*A*N*>*毫*升*，*然*后*用*移*液*管*加*入*<*S*P*A*N*>*3*0*%*<*/*S*P*A*N*>*氯*化*钡*溶*液*<*S*P*A*N*>*5*<*/*S*P*A*N*>*毫*升*，*盖*上*盖*子*拧*紧*后*上*下*充*分*摇*匀*（*约*摇*动*<*S*P*A*N*>*1*0*<*/*S*P*A*N*>*秒*钟*）*，*将*离*心*管*放*入*不*锈*钢*套*筒*中*。*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *c*l*a*s*s*=*M*s*o*N*o*r*m*a*l* *s*t*y*l*e*=*"*M*A*R*G*I*N*:* *0*c*m* *0*c*m* *0*p*t*;* *L*I*N*E*-*H*E*I*G*H*T*:* *1*7*p*t*;* *T*E*X*T*-*A*L*I*G*N*:* *l*e*f*t*;* *m*s*o*-*p*a*g*i*n*a*t*i*o*n*:* *w*i*d*o*w*-*o*r*p*h*a*n*;* *m*s*o*-*l*i*n*e*-*h*e*i*g*h*t*-*r*u*l*e*:* *e*x*a*c*t*l*y*"* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*;* *m*s*o*-*f*o*n*t*-*k*e*r*n*i*n*g*:* *0*p*t*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*f*a*m*i*l*y*:* *宋*体*;* 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*宋*体*"*>*<*S*P*A*N* *s*t*y*l*e*=*"*m*s*o*-*s*p*a*c*e*r*u*n*:* *y*e*s*"*>*<*/*S*P*A*N*>*<*/*S*P*A*N*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*;* *m*s*o*-*f*o*n*t*-*k*e*r*n*i*n*g*:* *0*p*t*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*f*a*m*i*l*y*:* *宋*体*"*>*确*认*离*心*管***放*入*套*筒*中*后*盖*上*盖*板*<*S*P*A*N*>*—*—*<*/*S*P*A*N*>*检*查*并*把*调*速*器*调*至***位*<*S*P*A*N*>*—*—*<*/*S*P*A*N*>*打*开*电*源*<*S*P*A*N*>*—*—*<*/*S*P*A*N*>*逐*级*将*调*速*器*升*至*<*S*P*A*N*>*1*4*0*0*<*/*S*P*A*N*>*转*<*S*P*A*N*>*/*<*/*S*P*A*N*>*分*。*（*调*速*过*程*中*出*现*短*时*抖*动*属*于*正*常*现*象*）*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*/*P*>* * *<*P* *c*l*a*s*s*=*M*s*o*N*o*r*m*a*l* *s*t*y*l*e*=*"*M*A*R*G*I*N*:* *0*c*m* *0*c*m* *0*p*t*;* *T*E*X*T*-*I*N*D*E*N*T*:* *2*1*p*t*;* *L*I*N*E*-*H*E*I*G*H*T*:* *1*7*p*t*;* *T*E*X*T*-*A*L*I*G*N*:* *l*e*f*t*;* *m*s*o*-*p*a*g*i*n*a*t*i*o*n*:* *w*i*d*o*w*-*o*r*p*h*a*n*;* *m*s*o*-*l*i*n*e*-*h*e*i*g*h*t*-*r*u*l*e*:* *e*x*a*c*t*l*y*"* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*;* *m*s*o*-*f*o*n*t*-*k*e*r*n*i*n*g*:* *0*p*t*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*f*a*m*i*l*y*:* *宋*体*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*s*i*z*e*:* *1*0*.*5*p*t*"*>*待*离*心*机*到*达*设*定*工*作*时*间*归***，*自*动*停*止*转*动*后*，*将*调*速*器*转*回*到***位*，*关*闭*电*源*开*关*，*等*待*约*<*S*P*A*N*>*1*<*/*S*P*A*N*>*分*钟*后*分*别*取*出*两*支*离*心*管*，*按*白*色*沉*淀*的*高*度*读*取*这*二*支*离*心*管*的*刻*度*值*。*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *c*l*a*s*s*=*M*s*o*N*o*r*m*a*l* *s*t*y*l*e*=*"*M*A*R*G*I*N*:* *0*c*m* *0*c*m* *0*p*t*;* *T*E*X*T*-*I*N*D*E*N*T*:* *2*1*p*t*;* *L*I*N*E*-*H*E*I*G*H*T*:* *1*7*p*t*;* *T*E*X*T*-*A*L*I*G*N*:* *l*e*f*t*;* *m*s*o*-*p*a*g*i*n*a*t*i*o*n*:* *w*i*d*o*w*-*o*r*p*h*a*n*;* *m*s*o*-*l*i*n*e*-*h*e*i*g*h*t*-*r*u*l*e*:* *e*x*a*c*t*l*y*"* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*;* *m*s*o*-*f*o*n*t*-*k*e*r*n*i*n*g*:* *0*p*t*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*f*a*m*i*l*y*:* *宋*体*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*s*i*z*e*:* *1*0*.*5*p*t*"*>*4*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*;* *m*s*o*-*f*o*n*t*-*k*e*r*n*i*n*g*:* *0*p*t*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*f*a*m*i*l*y*:* *宋*体*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*s*i*z*e*:* *1*0*.*5*p*t*"*>*、*离*心*管*刻*度***小*为*<*S*P*A*N*>*0*.*2*<*/*S*P*A*N*>*克*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *c*l*a*s*s*=*M*s*o*N*o*r*m*a*l* *s*t*y*l*e*=*"*M*A*R*G*I*N*:* *0*c*m* *0*c*m* *0*p*t*;* *L*I*N*E*-*H*E*I*G*H*T*:* *1*8*p*t*;* *T*E*X*T*-*A*L*I*G*N*:* *l*e*f*t*;* *m*s*o*-*p*a*g*i*n*a*t*i*o*n*:* *w*i*d*o*w*-*o*r*p*h*a*n*;* *m*s*o*-*l*i*n*e*-*h*e*i*g*h*t*-*r*u*l*e*:* *e*x*a*c*t*l*y*"* *a*l*i*g*n*=*l*e*f*t*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*;* *m*s*o*-*f*o*n*t*-*k*e*r*n*i*n*g*:* *0*p*t*;* *m*s*o*-*b*i*d*i*-*f*o*n*t*-*f*a*m*i*l*y*:* *宋*体*"*>*<*S*P*A*N* *s*t*y*l*e*=*"*m*s*o*-*s*p*a*c*e*r*u*n*:* 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*新*宋*体*"*>*、***数*显*离*心*机*一*台*，*使*用*前*请*确*认*<*/*S*P*A*N*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*数*显*计*时*器*调*整*为*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*4*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*0*5*M*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*"*>*0*0*!*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*2*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、***离*心*管*两*支*，*加*塞*（*<*/*S*P*A*N*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*离*心*管*经*过*校*对*，***须*配*对*使*用*！*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*）*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*3*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、*离*心*管*清*洗*胶*棒*一*根*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*4*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、*离*心*管*清*洗*毛*刷*一*根*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*5*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、*使*用*说*明*书*一*份*，*离*心*管*清*洗*方*法*一*份*，*合*格*证*一*张*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* 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*新*宋*体*"*>*待*离*心*机*到*达*设*定*工*作*时*间*归***，*自*动*停*止*转*动*后*，*将*调*速*器*转*回*到***位*，*关*闭*电*源*开*关*，*等*待*约*1*分*钟*后*分*别*取*出*两*支*离*心*管*，*按*白*色*沉*淀*的*高*度*读*取*这*二*支*离*心*管*的*刻*度*值*。*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*4*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、*离*心*管*刻*度***小*为*0*.*2*克*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*"*>*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*"*>*注*意*事*项*：*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*"*>*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*S*P*A*N* 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*黑*体*"*>*、*离*心*管*已*进*行*过*刻*度*校*验*和*平*衡*配*对*，*应*配*套*成*对*使*用*。*离*心*管*严*禁*用*手*指*弹*敲*下*部*的*刻*度*管*，*因*为*这*样*做***易*造*成*离*心*管*的*断*裂*！*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *黑*体*"*>*4*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *黑*体*"*>*、*测*定*完*毕*后*，*马*上*把*调*速*器*调*至***位*，*关*闭*电*源*，*及*时*将*离*心*管*、*移*液*管*等*清*洗*干*净*。*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*数*显***快*速*测*定*仪***适*用*于*测*定*镀*铬*溶*液*中*的***含*量*。*该*法*无*须*做*工*作*曲*线*，*简*便*、*快*捷*，*约*十*分*钟*即*可*得*出*分*析*结*果*。*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*数*显***快*速*测*定*仪*操*作*使*用*简*便*，*可*用*于*镀*铬*生*产*车*间*的*现*场*快*速*分*析*，*准*确*控*制*镀*铬*槽*中*的***含*量*。*也*可*扩*展*为*其*它*溶*液*中***根*含*量*的*快*速*测*定*。*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*4*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*仪*器*：*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*1*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、***数*显*离*心*机*一*台*，*使*用*前*请*确*认*<*/*S*P*A*N*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*数*显*计*时*器*调*整*为*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*4*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*0*5*M*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*"*>*0*0*!*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*2*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、***离*心*管*两*支*，*加*塞*（*<*/*S*P*A*N*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*离*心*管*经*过*校*对*，***须*配*对*使*用*！*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*）*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*3*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、*离*心*管*清*洗*胶*棒*一*根*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*4*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、*离*心*管*清*洗*毛*刷*一*根*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*5*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、*使*用*说*明*书*一*份*，*离*心*管*清*洗*方*法*一*份*，*合*格*证*一*张*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*6*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、*自*备*2*0*毫*升*移*液*管*1*支*，*5*毫*升*移*液*管*2*支*，*吸*耳*球*1*个*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*试*剂*及*配*制*：*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*试*剂*规*格*：*①*盐*酸*：*分*析*纯*；*②*氯*化*钡*：*分*析*纯*；*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*试*剂*配*制*：*①*3*0*%*氯*化*钡*溶*液*：*将*3*0*0*克*分*析*纯*氯*化*钡*配*制*成*1*0*0*0*毫*升*溶*液* *②*1*：*1*盐*酸*溶*液*：*1*体*积*盐*酸*和*1*体*积*蒸*馏*水*混*合*。*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*4*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*分*析*方*法*：*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*1*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、*取*镀*铬*液*（*若*溶*液*中*有*杂*质*需*过*滤*）*冷*却*至*室*温*，*用*2*0*毫*升*移*液*管*取*上*述*镀*铬*溶*液*2*0*毫*升*放*至*离*心*管*内*，*用*移*液*管*加*入*1*：*1*盐*酸*5*毫*升*，*然*后*用*移*液*管*加*入*3*0*%*氯*化*钡*溶*液*5*毫*升*，*盖*上*盖*子*拧*紧*后*上*下*充*分*摇*匀*（*约*摇*动*1*0*秒*钟*）*，*将*离*心*管*放*入*不*锈*钢*套*筒*中*。*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*2*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、*另*一*支*离*心*管*中*按*以*上*步*骤*放*入*需*要*测*定*的*相*同*溶*液*或*者*其*他*同*重*量*镀*铬*液*。*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*3*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、*将*上*述*二*支*离*心*管*放*入*电*动*离*心*机*内*并*按*以*下*顺*序*操*作*：*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*"*>*<*/*S*P*A*N*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*"*>*确*认*离*心*管***放*入*套*筒*中*后*盖*上*盖*板*—*—*检*查*并*把*调*速*器*调*至***位*—*—*打*开*电*源*—*—*逐*级*将*调*速*器*升*至*1*4*0*0*转*/*分*。*（*调*速*过*程*中*出*现*短*时*抖*动*属*于*正*常*现*象*）*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*待*离*心*机*到*达*设*定*工*作*时*间*归***，*自*动*停*止*转*动*后*，*将*调*速*器*转*回*到***位*，*关*闭*电*源*开*关*，*等*待*约*1*分*钟*后*分*别*取*出*两*支*离*心*管*，*按*白*色*沉*淀*的*高*度*读*取*这*二*支*离*心*管*的*刻*度*值*。*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*4*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *新*宋*体*"*>*、*离*心*管*刻*度***小*为*0*.*2*克*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*"*>*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*"*>*注*意*事*项*：*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*"*>*<*/*S*P*A*N*>*<*/*S*T*R*O*N*G*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *宋*体*"*>*1*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *黑*体*"*>*、*离*心*机*应*放*置*水*平*、*平*稳*、*牢*固*！*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *黑*体*"*>*2*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *黑*体*"*>*、***须*将*两*支*离*心*管*同*时*放*入*离*心*机*内*，*放*入*同*样*体*积*、*重*量*的*溶*液*，*确*定*两*边*离*心*管*以*及*不*锈*钢*套*筒*总*重*量*一*致*，*否*则*会*严*重*影*响*所*测*数*据*的*准*确*性*以*及*离*心*机*的*寿*命*！*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *黑*体*"*>*3*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *黑*体*"*>*、*离*心*管*已*进*行*过*刻*度*校*验*和*平*衡*配*对*，*应*配*套*成*对*使*用*。*离*心*管*严*禁*用*手*指*弹*敲*下*部*的*刻*度*管*，*因*为*这*样*做***易*造*成*离*心*管*的*断*裂*！*<*/*S*P*A*N*>*<*/*P*>* * *<*P* *a*l*i*g*n*=*l*e*f*t*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *黑*体*"*>*4*<*/*S*P*A*N*>*<*S*P*A*N* *s*t*y*l*e*=*"*F*O*N*T*-*S*I*Z*E*:* *1*2*p*t*;* *F*O*N*T*-*F*A*M*I*L*Y*:* *黑*体*"*>*、*测*定*完*毕*后*，*马*上*把*调*速*器*调*至***位*，*关*闭*电*源*，*及*时*将*离*心*管*、*移*液*管*等*清*洗*干*净*。*<*/*S*P*A*N*>*<*/*P*>*
友情链接： 深圳市元东发电子有限公司
