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F(xin)ڵλã t(y)W(xu)ȫھ > ˎW(xu)Փ > ˎ > :ҺᣭЧҺɫV

ҺᣭЧҺɫV

t(y)ˎ(sh)(j) ˎW(xu)Փ ҺţᣭЧҺɫV
Q
ҺᣭЧҺɫV
(yng)÷

øЧҺɫVy(c)ţҺĺ

mҺ

ԭ

ԇƷˮϡጺȡmμ̼cҺpH9.0)1%2,4-Һ60ˮԡмӟ1Сr(sh)ȡҜ}_ҺpH7.0)ϡM(jn)ЧҺɫVxM(jn)ɫVxՙzy(c)ڲL360nm̎zy(c)ķeӋ(j)京

ԇ

1.

2. }_ҺpH7.0)

3. 0.1mol/LcҺ

4. 0.5mol/L̼cҺpH9.0)

5. 1%2,4-Һ

xO(sh)䣺

1. x

1.1 ЧҺɫVx

1.2 ɫV

ʮIϹz䄩Փ唵(sh)Ӌ(j)㑪(yng)1500

1.3 ՙzy(c)

2. ɫVl

2.1 (dng)ࣺ}_ҺpH7.0) ˮ=70 15 15

2.2 zy(c)L360nm

2.3 أҜ

ԇƂ䣺

1. }_ҺpH7.0)

ȡ0.68g0.1mol/LcҺ29.1mLˮϡ100mL

2. 0.1mol/LcҺ

ȡcmˮuʹܽҺsþϩƿoÔ(sh)ȡĚcҺ5.6mL·^ˮʹ1000mLu

3.QȡԇƷ

ȡԇƷ3mL鹩ԇƷ

4. (du)ƷҺƂ

ܷQȡጦ(du)ƷmˮƳÿ1mLs1.5mgҺ錦(du)ƷҺ

5. ԇƷҺƂ

ȡԇƷ100mLƿˮϡ̶u򣬾ȡ1mL10mLƿμ0.5mol/L̼cҺpH9.0)1mL1%2,4-Һ0.5mLu60ˮԡмӟ1Сr(sh)ȡҜأ}_ҺpH7.0)ϡ̶u鹩ԇƷҺ

עܷQȡϵָQȡ(yng)(zhn)_Qȡǧ֮һȡϵָȡweĜ(zhn)_ȑ(yng)χҘ(bio)(zhn)Ќ(du)ԓweҺܵľҪ

E

քeȡ(du)ƷҺ͹ԇƷҺ10mLעЧҺɫVxՙzy(c)ڲL360nm̎y(c)ᣨC30H48O3)ķeӋ(j)京

īI(xin)
A񹲺͇ˎˎίT(hu)W(xu)I(y)磬2005һp.51
...
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