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F(xin)ڵλã t(y)W(xu)ȫھ > ˎW(xu)Փ > ˎ > :ȼ˾̹Ƭwȼ˾̹Ĝy(c)߀ԭζ

ȼ˾̹Ƭwȼ˾̹Ĝy(c)߀ԭζ

t(y)ˎ(sh)(j) ˎW(xu)Փ ȼ˾̹Ƭwȼ˾̹Ĝy(c)߀ԭζ
Q
ȼ˾̹Ƭwȼ˾̹Ĝy(c)߀ԭζ
(yng)÷

߀ԭζy(c)ȼ˾̹wȼ˾̹C5H9NO4S)ĺ

mȼ˾̹wȼ˾̹Ĝy(c)

ԭ

ȡb(xing)µă(ni)ȡmˮc}ʹܽ⣬ټˮϡ0.05%׻Һ18-25⛵ζҺ0.01667mol/L)ζtɫÿ1mL⛵ζҺ0.01667mol/L)ஔ(dng)8.960mgC5H9NO4SӋ(j)㣬

ԇ

1. ˮ·зҜ)

2. }

3. 0.05%׻

4. ⛵ζҺ0.01667mol/L)

5. ⻯

6. cζҺ0.1mol/L)

7. oˮ̼c

8. ⻯

9. (zhn)t

10. ָʾҺ

11. ϡ

xO(sh)䣺
ԇƂ䣺

1. 0.05%׻

ȡ׻0.05gˮ100mLʹܽá

2. ⛵ζҺ0.01667mol/L)

ƣȡ2.8gˮmʹܽ1000mLu

(bio)ȡҺ25mLõƿӵ⻯2.0gcϡ5mLuڰ̎5犺ˮ100mLϡጣcζҺ0.1mol/L)ζKc(din)r(sh)ӵָʾҺ2mL^m(x)ζ{(ln)ɫʧ(j)cζҺ0.1mol/L)ҺҺĝҜ25ϕr(sh)(yng)(yng)Һϡˮs20

3. cζҺ0.1mol/L)

ƣȡc26gcoˮ̼c0.20g·^ˮmʹܽ1000mLu1(g)ºV^

(bio)ȡ120صĻ(zhn)t0.15gܷQõƿˮ50mLʹܽӵ⻯2.0gppuʹܽϡ40mLuڰ̎10犺ˮ250mLϡñҺζKc(din)r(sh)ӵָʾҺ3mL^m(x)ζ{(ln)ɫʧ@GɫζY(ji)ÿհԇ(yn)Уÿ1mLcζҺ0.1mol/L)ஔ(dng)4.903mgt⛡(j)Һct⛵ȡҺĝ

Ҝ25ϕr(sh)(yng)(yng)Һϡˮs20

4. ָʾҺ

ȡԵ0.5gˮ5mLA100mLˮSS^m(x)2AȡόҺҺ(yng)Rơ

5.ϡ

ȡ57mLˮϡ1000mL

E

ȡb(xing)µă(ni)ȡmsஔ(dng)ȼ˾̹0.15g)250mLFƿˮ10mLc}4mLʹܽټˮ20mL0.05%׻Һ118-25⛵ζҺ0.01667mol/L)ζtɫÿ1mL⛵ζҺ0.01667mol/L)ஔ(dng)8.960mgC5H9NO4S

ע1ܷQȡϵָQȡ(yng)(zhn)_Qȡǧ֮һ,ȡϵָȡweĜ(zhn)_ȑ(yng)χҘ(bio)(zhn)Ќ(du)ԓweҺܵľҪ

ע2ˮ֜y(c)úɷȡԇƷ2~5gƽڸصıηQƿȲ^5mmɹԇƷ^10mmܷQȡ_ƿw100~1055Сr(sh)ƿwwøУs30ܷQضȸ1Сr(sh)sQBm(x)ɴηQصIJ^5mgֹ(j)pʧӋ(j)㹩ԇƷкˮ%)

īI(xin)

A񹲺͇ˎˎίT(hu)W(xu)I(y)2005p.818

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