1、书书书犐犆犛犆G21G22G23G24G25G26G27G28G29G2AG2BG2CG2D犠犛犜G2EG29G2FG30G28G29G31G32G33G34犛狋犪狀犱犪狉犱犳狅狉狊狋狌犱犲狀狋狊犺犲犪犾狋犺犪狀犱狊犪犳犲狋狔犱狌狉犻狀犵犿犻犾犻狋犪狉狔狋狉犪犻狀犻狀犵G35G36G37G38G21G22G23G24G25G26G27G27G39G28G29G26G3AG3BG29G3CG3DG3EG3F G35 G36书书书G21G22G21G22G23G24G25G26G27G28G29G2AG2BG2C。G21G22G23G2BG2CG2DG2E：G2FG30G31G32G33G34G3
2、5G36G37G38G34G39G3AG3BG37G38G3CG3DG3EG3FG40G34G41、G2FG30G42G43G40G44G3CG45G38G46G47G48G49G4A、G4BG4CG33G34G3AG4DG4EG3BG4FG37G38G50G51G52。G21G22G23G53G54G2BG2CG42：G55G56G57、G58G59G22、G5AG5BG5C、G5DG5E、G5FG60、G61G62。犠犛犜G23G24G25G26G27G24G28G29G2AG2B G2BG2CG21G22G23G29G63G64G34G38G60G65G66G67G68G69G6AG54
3、G6B、G60G65G6CG6DG6EG6FG54G6B、G60G65G70G71G72G73G3CG74G75G76G77G78G79G7AG6F。G21G22G23G75G7BG7CG56G7DG7EG7FG34G80、G56G7DG7EG81G82G83G81G7FG84G85G34G80G28G34G38G60G65。 G2DG2EG2FG30G31G86G87G88G89G8AG63G8BG75G7BG7CG21G8CG8D。 G32G33G34G35G36犲狓犲狉犮犻狊犲狉犲犾犪狋犲犱狊狔狀犮狅狆犲G8EG8FG90G28G66G91G86，G92G93G94G81G95G93G9
4、4G96G97G7CG98G99G9AG9BG9CG9DG9EG74G9FG95G9EGA0G81GA1G34GA2GA3GA4G38GA5GA1GA6G2BGA7GA8、GA9GAAG28GABGACGADGAE，GAFGB0GB1GB2G61GB3GB4GAEGB5GB6GB7，GB8GB9GBAGBBGBCGBD。 G37G38G39狋犪狉犵犲狋犺犲犪狉狋狉犪狋犲GBEGBFGC0G33G93G94G6EG6FGC1G28GC2GC3GC4GC5GC0G33GC2GC3，GBEGBFGC0G33G93G94G6EG6FGC1G28GC2GC3GC4GC5GC6GC2GC3。 G23G24
5、G25G26G21G3AG3BG3CG3DG3EG3F G40G41G42G43G2FG44G45GC7GC8G34G80G92G34G38GC9G34GCAG29G67G69G73GCBGCCGCDG28GCEGCFGD0，GD1G5BG34G38GC2GD2G73、G98G9EGD3G73、GD4GD5、GD6GD7GD8G73、G7EG9EGD9、G93G94G9CGDAGDB、G9BGDCGCB、GDDGDE，G82G83GDFGE0GC2GE1G72G73G7FGE2G42GCBG8AGE3GE4GCBG28GCCGCDG8AGE5GE6。 G3AG3BG3CG3DGC7GC8G34
6、G80G92G34G38GC9G34GCAG29G67G69GE7GE8G28GCEGCFGD0，GE9G9EGD9、GC2GEAGEBGCAG28G34G38GECG9AGEDGECGEEGBDGEF，GE9GC2GD2GF0GF1GF2G28G34G38GECG9AGEDGECGEEGC2GF3GF4G8AGC2GD2GF5GF6GF7G69G6A。GE9G60G65G66GF0GF8GF9GE2G42GCBG8AGE3GE4GCB，G82G83G67G68G69G6AGFAGFBGEBGCAG28G34G38GECGEEGFCGFD，GFEG83GC1G7DGFFGE3G21G8AG22
7、G23G42G24。G60G65G9BG25G81G5BG6EGE9G26GC8G34G38G28G31G27G28G29。 G46G47G48G49G25G26G4AG23G24G86G87GC7G2AG2BG2CG34G38G74G2DG2EG5BG60G65：GB1G2FG67G40G44G30GB1G31G32GE1G33G34G67G35G36G28G34G38；GAFGF0G37G38G72G73（G39GAFG38G73G3AG92G3BG39G95G3AG92G3CG3DG70、G3EG3FG9CGC2GD2G73G40G3CG41、G9EG42G73G7F）G2EG5BG60
8、G65G43G44G45G38G46G47G48G28G34G38；GAFGF0G49G4AG73G4BG4CG44G45G4DG67G4EG4AG28G34G38；GAFGF0GDFGE0G4FG50G76、G51G52、G53G54G76G7FGDFGE0G55G56，G7EG6EG6FG65G57G43G5BG38G73G2BG28G34G38。G74G2DG2EG5BG60G65G28G34G38，G58G34G38G54G6BG2EG5BG60G65G59G5AG5BG34G38G8AGE3G21G5CG5DGFFG2BG5EGAB。 G4BG4CG4DG4EG4FG50G51G52
9、G53G48G49G25G26G4AG23G24G86G87GC7G2AG2BG2CG34G38G59G92G31G27G42G24G28G29G86G2EG5BG60G65：犠犛犜GAFGF0G60G65G43G5BG38G52GAFG72G73（G39GC2GD2G72G73、G98G9EGD3G72G73、GD6GD7GD8G73、G7EG9EGD9、GD4GD5、GDDGDEG73、G5FG60G9CG61G62，G82G83G63G64G76、G6EG65G76G7FGDFGE0G55G56）G28G34G38；G66G2FG38GE1G67GB9G74G68（G39G37G38G3
10、8GE1G69G6A、G6BG72G7F）G74GB9G6CG6DG7EG6EG6FG60G65G28G34G38。 G23G24G25G26G54G55G56G57G3EG3F G58G59G25G26G5AG5BG5CG5DG3EG3FG3AGCAG3FG6EG2EG25G60G65G6FG70G34G38G5FGCAG71G34G28G72G73GC1G71GECGEE。GF8GF9G3FG6EG74G75G76G48G77G2BG2CGECGEEG78G79。 G25G26G56G57G3EG3F G25G26G56G57G5EG5FG60G61G60G65G9BG25G81G28G6
11、EG6FG74G75G76G9CG7A、G40G44G77G2CG4FG7AGE9G7B，G7CG7DG7EG7FGFAG80、G7DG81G82GECG28G30G2A。 G26G62G5CG5DG5DG63G9AG83G2BG2CG86，G34G38G65G57GC1G71GC5，G84G73。GD0G85G8AG86G85GC7GF0G9AG86G33G84G73，G87G86G74G3BG7C。 G25G26G64G65G66G32G33G54G55G60G65G9BG25G81，G40G44G34G38G65G57GC1G28GC6GC2GC3G74G74G88G7CG86GC5G2
12、D，G89G74G5BGF5G9BG86。 G67G68G69G6AG53G25G26G56G57G3EG3FGE9G7CG59G54G92G31G27G28G29G86G2EG5BG60G65，G95G3AG8AGA4G8B、G8CG90G83GAFGF0G8DG8EG72G73G28G34G38，G74G75G8FG90G88G60G65G6EG6FG95G91G92G4AG8FG65G57，G93GC5G79GE1GE7G27、G94G95G96G97G7FG88G6CG6DG60G65G98G94。GE9G99G9AG70G71G9BG38G54G90G88G60G65G6EG6F，G
13、9CG33GD1G5BG9DG99GD9GB3G8AG9EG2FG9FGA0GA1G94G28G93G94。GE9G99G9AGEBGCAG28G9BG38，G99G9AG70G71G74G91G92G60G65G98G94。 G23G24G25G26G6BG5DG6CG40G6DG46G6EG6FG70G71G72G73G57 G6CG40G71G72G60G65G70G71G2FG67GC7GE2G41GA2GA4G38G28G72G73GA3G59G78G79，G39GC化钠洗涤溶液(20 g/L)o11. 16乙二胺四乙酸二钠(Na,EDTA)溶液(0.1 mol/L):称取37.23
14、8 Na,EDTA(C,oHuN,O,Na,2H,0)溶解于水中，移人1L容量瓶中，用水稀释至刻度，混匀。11.17乙酸一乙酸钠缓冲溶液(pH约5.5.6.0);溶解200 g结晶乙酸钠(CH,COONa “ 3H20)于500 ml.水中，加10 ml冰乙酸，用水稀释至1 L,混匀。11.18氯化锌标准溶液(0. 010 00 mol/L):称取0. 653 9 g金属锌(-99. 99%)于150 mL烧杯中，加人15 mL盐酸(11.9)，加热溶解蒸至2 ml-3 mL，移人1L容量瓶中，加1滴甲基橙指示剂，用氨水(11.11)中和至黄色，再以盐酸(11.9)滴至红色，并过量5滴，用水稀释至刻度，混匀。试样试样粒度不大于0. 082 mm.试样在100C -105烘lh后，置于干燥器中冷却至室温。12121122分析步骤试料称取。.50 g试样，精确至0. 000 1 g.独立
