(yng)} |
t |
a(chn)أ |
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(bio)(zhn) |
Їˎ |
Ҏ(gu) |
t(y)ˎ |
r |
160 |
Jλ |
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a(chn)ƷB |
t
ӢCongo red
Cas̖ 573-58-0
Beilstein 3894858
EINECS: -- 209-358-4
ʽ C32 H22 N6 Na2 O6 S2
696.66
e ֱӄt,t,ֱt,ֱӴt,-4,4-(ż-2-)-1--4-c
Sodium diphenyl diazo-bis--naphthylamine-4-sulfonate
Ԡ ؼtɫĩˮStɫˮStɫҴʳɫOڱͪѡղL(pH7.3)488nm(E1cm1% ) 595딵(sh)(o})190mg/kg
ܶȣ1
|(zh)(bio)(zhn)
Q/(HG)SJ 540-91
(xing)Ŀltem
(AR)
pH׃ɫVisnal transition interval 3.0({(ln))5.2(tɫ)
ˮܽԇ(yn)Solubility in water ϸ
ˮInsoluble matter,% 1.0
ˮ(H2 O)Water,% 5.0
Ɵ?jin)?}Ӌ(j))Ignition residue,% 27.0
ACS
(xing)ĿQ Item Sign ACS Grade
Claroty of solution passes test
׃ɫ Visual transition interval pH3.0(yellow)to pH5.2(red)
ʧ Loss on drying 3.0%
A ܷⱣ
; Aָʾ[pH3.0({(ln))-5.0(t)]ָʾ|(zh)zyθҺеx}̥ƬֲճסwSԽMȾɫy軯}ȡ
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l(f)rg |
2011/8/29 15:40:00 |
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