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折扣/货期| 货号：CDX-C0231-G050 | 规格：50 g | 目录价：￥896 |
| 货号：CDX-C0231-G250 | 规格：250 g | 目录价：￥3192 |
产品详情
产品名称:
Chromotropic acid disodium salt dihydrate
别名:
1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt; 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt; Mordant Brown 7 Dihydrate; Chromogen C Dihydrate
产品描述:
Fluorogenic reagent for analytical the detection of Ag, ClO3-, Cr, Hg, NO2-, NO32-, Ti or CH2O (formaldehyde). Quantitative determination of formaldehyde is based on the specific formation of a red coloration (peaking at 580 nm wavelength) when chromotropic acid in 75% sulfuric acid reacts with formaldehyde. May be employed as a chromogenic reagent for the quantification of dipyrone in various pharmaceutical preparations.
宿主来源:
Synthetic.
保存温度:
+20°C
运输温度:
Ambient
预期分子量:
364.3 . 36.0
产品形式:
solid
有效期:
Stable for at least 2 years after receipt when stored at +20°C.
产地:
瑞士
纯度:
>99% (T)
CAS号:
5808-22-0
分子式:
(HO)2C10H4(SO3Na)2 . 2H2O
溶解度:
Soluble in water.
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