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201ظڽʦƸۺϡѧƵ

2019-03-23 13:45:18| й

2019ظڽʦƸۺеĻѧԣͨ꿼⣬Ϊ˸ƵķϣΪλ2019ظڽпṩ

2019ظڽʦƸۺ——ѧ

——Ƶ

ظڽʦƸԣۺϾΪѡ⡢ѡж⣬ֵܷ100֣лѧռ18֡鷶ΧΪѧѧרҵ֪ʶǸ꿼⣬ѧѧרҵ֪ʶеķ£

·ӹ

жҺܷĹɣ

ܷͬһҺУһ仰һɫķӦ

(1)һɫҺɫ

޶ΪɫҺעFe3+Fe2+Cr3+Cr2O72-CrO42-MnO4-Cu2+ɫӲܴڡ

(2)ԡҺԺͼԡ

ǿҺУOH-(CO32-SO32-S2-CH3COO-)ܴ;

ǿҺУH+Ӿܴ;

ʽǿԻǿҺоܴڡ

(3)ķӦ

ָӼܷͨ͵ķӦ໥ӦȻܴ档

a.ֽⷴӦBa2+SO42-NH4+OH-;

b.ԭӦFe3+I-NO3-(+H+)뻹ԭFe2+;

c.˫ˮⷴӦAl3+HCO3-Al3+AlO2-AlO2-HCO3-Ȳܴ;

d.ϷӦFe3+SCN-ȡ

·ӷʽд

1.дӷʽע㣺

(1)΢ﴦʽ

ٳдѧʽ;

ӦﴦҺ״̬дӷ;

ӦﴦҺ̬ʱдѧʽ

(2)ŨHClŨHNO3ӷʽдӷţŨH2SO4дӷš

(3)HCO3-HS-HSO3-εʽӲܲдǿεʽӲдʽ

(4)עⷴӦУӦ˳ԼĶ١

AlCl3ҺеμNaOHҺAl3++3OH-=Al(OH)3↓

NaOHҺеμAlCl3ҺAl3++4OH-=AlO2-+2H2O

Ca(HCO3)2ҺмNaOHҺ

Ca2++OH-+HCO3-=CaCO3↓+H2O

Ca(HCO3)2ҺмNaOHҺ

Ca2++2OH-+2HCO3-=CaCO3↓+2H2O+CO32-

2.ӷʽжϣ

(1)۲ʵĴʽͲǷȷ;

(2)"====""""↑""↓"(ˮijд"↓"岻д"↑"˫ˮⶼҪд)õǷǡ;

(3)Ƿغ͵غ;

(4)ǷҪ"""""ʵ"""""Լ"μ˳"ȶԷӦӰ;

(5)Ƿ©ijЩӦ

·٤޳

1.ӵ޳ǿȵ㡣磺֪ʵʵʵӵĿȽӵĿС;֪ҺŨȣҺʵӵĿȽӵĿС;֪ӵĿʵʵʵҺʵӵŨȻҺŨ;ڷԭӦʱתƵĿ

2.ʱҪرעʲôҪϸͽ꿼ʧȻ϶࣬ҪʧⲻϸʱӦעϸڣ

(1)ʵ״̬ˮڱ׼״ʱΪҺ̬̬;SO3ڱ׼״Ϊ̬³ѹΪҺ̬;ڱ׼״£̼ԭ4С16ΪҺ̬ڵ16Ϊ̬

(2)ijЩʵķеԭӸ塢(O3)(P4)ȡ

(3)һЩʽṹлѧĿSiO2(Si-Oļ)SiP4(6P-P)ȡ

(4)رʵĦD2OT2O18O2ȡ

(5)ϸӵԭӦУתƵNa2O2+H2OCu(NO3)2Һȡ

(6)õĦ22.4L/molʱעǷΪ壬忴Ƿڱ

(7)ijЩӻԭˮҺܷˮⷴӦĿҪı䡣

·ʵķ롢ᴿ

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