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F(xin)ڵλã t(y)W(xu)ȫھ(xin) > ˎW(xu)Փ > ˎ > :ţɢĜy(c)к͵ζ

ɢĜy(c)к͵ζ

t(y)ˎ(sh)(j)(k) ˎW(xu)Փ ţɢĜy(c)к͵ζ
Q(chng)
ɢĜy(c)к͵ζ
(yng)÷

õζy(c)ţɢţĺ

mɢ

ԭ

ԇƷм(x)ˮܽÚcζҺ{(dio)(ji)pHֵ7.0ȻA(y){(dio)(ji)pHֵ9.0ȩҺÚcζҺζpHֵ9.0m(x)30ԼȩҺĵĚcζҺӋ(j)ţĺ

ԇ

1. ȩ

2. cζҺ0.1mol/L)

3. ָ̪ʾҺ

4. (zhn)

xO(sh)䣺
ԇƂ䣺

1. cζҺ0.1mol/L)

ƣȡcmˮuʹܽҺsþϩƿoÔ(sh)գȡĚcҺ5.6mL·^(gu)ˮʹ1000mLu

(bio)ȡ105صĻ(zhn)⛼s0.6gܷQ(chng)·^(gu)ˮ50mLuʹMܽ⣬ӷָ̪ʾҺ2ΣñҺζڽӽKc(din)r(sh)(yng)ʹȫܽζҺ@ۼtɫÿ1mLcζҺ1mol/L)ஔ(dng)20.42mg(j)Һc⛵ȡҺĝ

AأþϩƿܷⱣ2ף׃(ni)벣1֧1ccʯB1ܹҺʹá

2. ָ̪ʾҺ

ȡ̪1gҴ100mLʹܽ

E

ȡԇƷb(xing)µă(ni)Ͼ򣬾ܷQ(chng)ȡmsஔ(dng)0.2g)ˮ25mLÚcζҺ0.1mol/L){(dio)(ji)pHֵ7.0ȻA(y){(dio)(ji)pHֵ9.0ļȩҺ15mLuÚcζҺ0.1mol/L)ζpHֵ9.0m(x)30ԼȩҺĵĚcζҺ0.1mol/L)mL)Ӌ(j)㡣ÿ1mLcζҺ0.1mol/L)ஔ(dng)12.51mgC2H7NO3S

עܷQ(chng)ȡϵָQ(chng)ȡ(yng)(zhn)_Q(chng)ȡǧ֮һȡϵָȡweĜ(zhn)_ȑ(yng)χ(gu)Ҙ(bio)(zhn)Ќ(du)ԓweҺܵľҪ

īI(xin)

A񹲺͇(gu)ˎ(gu)ˎίT(hu)W(xu)I(y)2005棬һp.50

...
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