CAS NO:51550-25-5; 铍试剂II

CAS:

51550-25-5

分子式:

C20H14N2O15S4·4Na

分子量:

738.52

中文名称:

铍试剂II

8-羟基萘-3,6-二磺酸(1-偶氮-2')-1',8'-二羟基萘-3',6'-二磺酸四钠盐

铍试剂 II

英文名称:

Beryllon II

2,7-Naphthalenesulfonic acid, 4,5-dihydroxy-3-[(8-hydroxy-3,6-disulfo-1-naphthalenyl)azo]-, tetrasodium salt

8-Hydroxynaphthalene-3,6-disulfonic acid-azo-1',8'-dihydroxynaphthalene-3',6'-disulfonic tetrasodium salt

2,7-naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(8-hydroxy-3,6-disulfo-1-napht

7-naphthalenedisulfonic acid,4,5-dihydroxy-3-[(8-hydroxy-3,6-disulfo-1-naphthalenyl)azo]-tetrasodium salt

2,7-Naphthalenesulfonic acid,4,5-dihydroxy-3-[(8-hydroxy-3,6-disulfo-1-naphthalenyl)azo]-,tetrasodium salt

用途:

测定铍的特效灵敏试剂，它能在PH值12～13.2时与铍呈现乳浊色，很多离子都不影响，三价铁可用维生素C还原，钴、镍、镁、钙等可用EDTA掩蔽。

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