Q
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Q |
̼}w}Ĝyj(lu)ϵζ |
(yng)÷ |
ýj(lu)ϵζy̼}w}ĺ m̼}w}ĺy |
ԭ |
ȡbµă(ni)Ͼм(x)ȡmȫ̿700-800Ƽs2Сr䣬ˮϡ}ᣬʹܽˮִD(zhun)ƿÚcԇҺ{(dio)pHֵ5-6ӾʯҺҴҺӚcԇҺc}ϼtָʾSҶĴcζҺ0.05mol/L)ζҺϼtɫ׃?yu)鼃{(ln)ɫÿ1mLҶĴcζҺ0.05mol/L)ஔ(dng)2.004mg̼}Ӌ㣬 |
ԇ |
1. ˮ·зҜ) 2. ʯҺ15) 3. ҴҺ3100) 4. cԇҺ 5.}ϼtָʾ 6. ҶĴcζҺ0.05mol/L) 7. (zhn)\ 8. ϡ} 9. tҴҺ0.025%) 10. ԇҺ 11. tTָʾ 12. -Ȼ@_ҺpH10.0) |
xO(sh)䣺 |
|
ԇƂ䣺 |
1. cԇҺ ȡc4.3gˮܽ100mLáƷ(yng)R 2.}ϼtָʾ ȡ}ϼt0.1gӟoˮc10gĥá 3. ҶĴcζҺ0.05mol/L) ƣȡҶĴc19g·^ˮʹ1000mLu (bio)ȡ800ƟصĻ(zhn)\0.12gܷQϡ}3mLʹܽ⣬ˮ25mL0.025%tҴҺ1ΣμӰԇҺҺ@Sɫˮ25mLc-Ȼ@_ҺpH10.0)10mLټtTָʾñҺζҺɫ׃?yu)鼃{(ln)ɫζY(ji)ÿհԇУÿ1mLҶĴcζҺ0.05mol/L)ஔ(dng)4.069mg\(j)Һc\ȡҺĝȡ AأòƿcƤƤܵȽ| 4. ϡ} ȡ}234mLˮϡ1000mLҺHCl(yng)9.5-10.5% 5. ԇҺ ȡⰱҺ400mLˮʹ1000mL 6. tTָʾ ȡtT0.1gȻ{10gĥ 7. -Ȼ@_ҺpH10.0) |
E |
ȡbµă(ni)Ͼм(x)ȡmsஔ(dng)}0.03g)Уȫ̿700-800Ƽs2Сrˮϡ}5mLʹܽ70mLˮִD(zhun)ƿÚcԇҺ{(dio)pHֵ5-6ӾʯҺ15)2mLҴҺ3100)5mLӚcԇҺ15mLc}ϼtָʾSҶĴcζҺ0.05mol/L)ζҺϼtɫ׃?yu)鼃{(ln)ɫ ע1ܷQȡϵָQȡ(yng)(zhn)_Qȡǧ֮һ,ȡϵָȡweĜ(zhn)_ȑ(yng)χҘ(bio)(zhn)ЌԓweҺܵľҪ ע2ˮ֜yúɷȡԇƷ2~5gƽڸصıηQƿУȲ^5mmɹԇƷ^10mmܷQȡ_ƿw100~1055Сrƿwwøs30ܷQضȸ1СrsQBm(x)ɴηQصIJ^5mgֹ(j)pʧӋ㹩ԇƷкˮ%) |
īI(xin) |
A͇ˎˎίTW(xu)I(y)2005p.826-827 |