؛̖(ho) | ͷe | (hu)T | ͷᾀ400-021-2765
؛̖(ho)Ո(qng)c(din)(zhn)]͑-ê(jing)(l)TCI}⁵Va(chn)Ʒػ2025Sxr(ji){(dio)
Ʒ
CasNo: MDL: ʽ: :
ÑҪ䛳ɹM(jn)ίвُ(gu) ԇ·ֱُ(gu)I(mi)bɰl(f)ίвُ(gu)
FһЩֵıˣԃr(ji)I(mi)(gu)ˎ
ֵԇAԇW(wng)I(mi)8ԇԇ
f(wn),(jin)Qppm(ԴӢZ(y)Parts Per Millionĺ(jin)(xi)),xf(wn)֮һ,1ppmһf(wn)֮һ.
ppm|(zh),һ(kg)|(zh)һ(mg)ij|(zh),ij|(zh)1ppmҲ,һǧ(kl)Һһ(ml)ij|(zh),ij|(zh)1ppmҲ|(zh)һ,һҺij|(zh)һ,ij|(zh)1ppm,@?yn)ˮ?li)f(shu),һ(L)ˮһ,һһ˵ıֵһf(wn)֮һ,Ҳ1ppm = 1 mg/L.
õķNҺ-ˮ(1:1)Һ-״Ҵ(1:1)Һ1.5mol/LҺc0.5-1.5mol/L@Һ110濾15minͬЙC(j)@ͬɫ
?
0.5ȷҺ-z?(du)ܶ@Sɫ
0.05iҺ?߀ԭԻڵt@Sɫ
AԸiԇ?߀ԭԻڵtɫ@Sɫ
ҺI1%iҺ
ҺII5%̼cҺ
ҺIҺIIϑ(yng)
Ըiԇ?1.6%i⛝Һ(ܽr(sh)עֹը)180ӟ1520min
tԇ?5%t⛝ҺҪr(sh)1505%fҴҺ120濾߀ԭԻ@{(ln)ɫðt׃?yu)o(w)ɫ
y/^(gu)
zuN
Һy0.1gˮ1ml2-Ҵl00mlñͪϡ200mlټ30%^(gu)1
δ^(gu)V
Y(ji)c(din)ʰɫ
ɹ/
z͟N
ҺIɹ0.1gҴ100mlII5%Ȼ̼Һ
ȇ(I)Ȼú(ni)ɹD(zhun)׃?yu)ɹ?t)ɹʧ͟Nc(din)ļӳɣֹtɹ(sh)͟NڷۼtɫϳSɫ
zN
Һ2ıͪcȴ(10:1)Һ
^졣
ȩ/
zh(hun)N Һ37%ȩҺ0.2mlڝl0ml
3,5-
z
ҺI2%ƷױҺII0.5%cҺIII0.002%_Һȇ(I)ڿ՚и^(gu)ҹ2minͨ^(gu)ԇҺ(II)30sˮϴÝͨ^(gu)(III)15s՚^
@
ҺI1%@0.2mol/LҺIIN,N--(du)}}1.5gڼ״ˮc(128ml+25ml+1.5ml)Һǰ(I)c(II)ϡ105ӟ5min
z(j)͡
Һȩ1g100ml120oCӟɫ
Ʒt/
zȩ
ҺI0.01%ƷtҺֱͨo(w)ɫII0.05mol/LȻҺIII0.05mol/LҺ
IIIIII1:1:10ˮϡl00ml
(lin)㰷
zȩͪҺƷҺ
2,4-
zȩͪͪ
ҺI0.4%Ʒ2mol/L}ҺIIƷ0.1gҴl00mlӝ}lml
ҺIIIF軯⛵2mol/L}Һ
Y(ji)ͪ{(ln)ɫȩ(yng)ϙGɫʻﲻ@ɫ
ӾG
zЙC(j)
ҺӾG0.1gҴ500ml0.1mol/LcҺ5ml
Y(ji){(ln)ɫa(chn)Sɫc(din)
i/
z֬ҺҊ(jin)ͨ@ɫԸi⛡
^(gu)
zҺ0.3%^(gu)Һ
(365nm)^Y(ji)ʏ(qing){(ln)ɫɹ⡣
ȻF
zuҺ1%5%ȻF0.5mol/L}Һ
Y(ji){(ln)ɫuʼtɫ
/Ҵ
z֬尷
Һ5065%Ҵ100mlҪr(sh)120ӟᡣ
(II)
zA尷
Һ@3gcȻ1gˮ20mlY(ji)ɫۼtɫϳ{(ln)ɫc(din)2hɫӇˮˮ(ni)جF(xin)ɫc(din)
1,2--4-c
z㰷
ҺƷ0.5g95mlˮ5mlVȥＴ
(yng)30min@ɫ
/
Һ2g85%l0mlcˮ40mlҺټҴc30ml115ӟl0min
-
z3,5-
ҺI0.5% -ҴҺII10%⛼״Һ
ȇҺIهҺIIY(ji)ʼtɫc(din)
/ȻZ
Һ1.5%ҴҺc0.1gȻZ0.2%ȻcҺ100ml5:1: (254nm)^Y(ji)@ɫc(din)
ҺIҺIIϑ(yng)á
ȇ(I)Ȼú(ni)ɹD(zhun)׃?yu)ɹ?t)ɹʧ͟Nc(din)ļӳֹtɹ(sh)͟NڷۼtɫϳSɫ
^
ҺI2%ƷױҺII0.5%cҺIII0.002%_Һȇ(I)ڿ՚и^(gu)ҹ2minͨ^(gu)ԇҺ(II)30sˮϴÝͨ^(gu)(III)15s՚^졣
ҺI1%@0.2mol/LҺIIN,N--(du)}}1.5gڼ״ˮc(128ml+25ml+1.5ml)Һǰ(I)c(II)105ӟ5min
z(j)
Һȩ1g100ml120oCӟɫ
zȩͪҺƷҺ
z֬ҺҊ(jin)ͨ@ɫԸi
(365nm)^Y(ji)ʏ(qing){(ln)ɫɹ
Һ5065%Ҵ100mlҪr(sh)120ӟ
zA١尷
Һ@3gcȻ1gˮ20mlY(ji)ɫۼtɫϳ{(ln)ɫc(din)2hɫˡӇˮˮ(ni)جF(xin)ɫc(din)
߀Ե䛺_(ti)鿴ԃ
Ŀ͑xһֱԁ(li)(du)Ϻv(zhn)Ƽ˾֧cΣֵһڄ(dng)(ji)(li)R
B͑ɣc(din)˽
ُ(gu)ָ
a(chn)Ʒ eҎ(gu)t N(xio)ۗl (hu)Tƶ ӆُ(gu)
θ
\(yn)M(fi)ȡ(bio)(zhn) ]͑-ê(jing)(l) l(f)Ʊƶf(shu) ֧ʽ
I(y)Ϣ
(jng)I(yng)Y|(zh) ؛ڙ(qun)(sh) (lin)ϵ҂ P(gun)҂ ˲Ƹ
ۺ(w)
l(f)؛ԃ |(zh)z(COA)ȡ (yn)؛֪ k˓Q؛ Ҋ(jin)c(din)(wn)}
(qun) ؟(z) ̘I(y)VT W(wng)վ(w)f(xi)h һƷُ(gu)I(mi)֪
W(wng)վN(xio)۵Юa(chn)ƷHڹI(y)(yng)û߿ƌW(xu)оȷt(y)Ŀ(dng)R\ίˎʳ