Q(chng)
ᱽwᱽֵġ" />
Q(chng) |
wᱽֵĜy(c)ЧҺɫV |
(yng)÷ |
øЧҺɫVy(c)ᱽwᱽֵĺ mᱽw |
ԭ |
ԇƷ(jng)̎(dng)ϡጳһȵҺM(jn)ЧҺɫVxM(jn)ɫVxՙzy(c)ڲL(zhng)270nm̎zy(c)ᱽֵֵӋ(j)京 |
ԇ |
1. ״ɫV) 2. 0.1mol/L@_Һ7.7g@800mLˮñ{(dio)(ji)pH3.3ˮϡ1000mL 3. 2cҺ 4. 4%Һ |
xO(sh)䣺 |
1. x 1.1 ЧҺɫVx 1.2 ɫV ʮIϹz䄩Փ唵(sh)ᱽַӋ(j)㑪(yng) 2000 1.3 ՙzy(c) 2. ɫVl 2.1 (dng)ࣺ״0.1mol/L@_Һ= 65 35 2.2 zy(c)L(zhng)270nm 2.3 أҜ |
ԇƂ䣺 |
1. (du)ƷҺƂ ȡᱽmܷQ(chng)Ӽ״ܽⲢϡጳÿ1mLмs0.4mgҺ 2. ԇƷҺƂ ȡƷmϾܷQ(chng)ȡmsஔ(dng)ᱽ20mg)50 mLƿˮ20mLᱽܽ2cҺ2.5mLu1ɰɫҺ4%Һ10mLʹʧˮϡ̶uV^(gu)ȡm(x)VҺ |
E |
քeȡ(du)ƷҺcԇƷҺ10L עЧҺɫVxՙzy(c)ڲL(zhng)270nm̎y(c)ᱽֵֵӋ(j)京 |
īI(xin) |
A͇(gu)ˎ(gu)ˎίT(hu)W(xu)I(y)2005һp875 |