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F(xin)ڵλã t(y)W(xu)ȫھ > ˎW(xu)Փ > ˎ > :w⛵Ĝyֹȷ

w⛵Ĝyֹȷ

Q
w⛵Ĝyֹȷ
(yng)÷

÷ֹȷywе⛣KIO3)ĺ

mڵwе⛵Ĝy

ԭ

ȡƷmм(x)ȡmˮuʹܽⲢϡጣuV^ȡm(x)VҺ1%⻯Һ0.2mol/LҺcָʾҺˮϡ̶-Ҋֹȷ580nmL̎yնȣȡƷmͬyӋ㣬

ԇ

1. sˮ

2. 1%⻯

3. 0.2mol/L

4. ָʾҺ

xO(sh)䣺
ҊֹӋ
ԇƂ䣺

1. ƷҺƂ

ȡ(jng)105صĻ(zhn)mܷQˮܽⲢϡƳÿ1mLмs12gҺu錦ƷҺ

2. ԇƷҺƂ

ȡƷ20ă(ni)ܷQм(x)ȡmsஔ(dng)ڵ0.6mg)50mLƿˮs30mLuʹܽⲢˮϡ̶uV^ȡm(x)VҺ5mL50mLɫƿ1%⻯Һ2.0mL0.2mol/LҺ5.0mLcָʾҺ5.0mLˮϡ̶ȣu鹩ԇƷҺ

עܷQȡϵָQȡ(yng)(zhn)_Qȡǧ֮һȡϵָȡweĜ(zhn)_ȑ(yng)χҘ(bio)(zhn)ЌԓweҺܵľҪ

עˮ֜yúɷȡԇƷ2-5gƽڸصıηQƿȲ^5mmɘƷ^10mmܷQ_ƿw100-1055Сrƿwwãs30ܷQضȸ1СrsQأBm(x)ɴηQصIJ^5mgֹ(j)pʧӋ㹩ԇƷкˮֵİٷ?jn)?sh)

E

ԇƷƷĜy

ԇƷƷҺƺ-Ҋֹȷ580nmL̎քeyնȣӋ

īI(xin)

A񹲺͇ˎ䣬ˎίTW(xu)I(y)磬2005棬p.812

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