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523-21-7 - Rhodizonic acid disodium salt, 98% - 1,2-Dihydroxy-3,4,5,6-tetraoxocyclohexene disodium salt - Sodium rhodizonate - A16126 - Alfa Aesar

A16126 Rhodizonic acid disodium salt, 98%

CAS-Nummer
523-21-7
Synonyme
1,2-Dihydroxy-3,4,5,6-tetraoxocyclohexene disodium salt
Sodium rhodizonate

Größe Preis ($) Menge Verfügbarkeit
5g 30,87
25g 146,70
100g 495,20
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Rhodizonic acid disodium salt, 98%

MDL
MFCD00001650
EINECS
208-340-3

Chemische Eigenschaften

Formel
C6Na2O6
Molmasse
214.04
Schmelzpunkt
>300°
Löslichkeit
Soluble in water.

Anwendungen

Determining sulfate radical by barium chloride titration with rhodizonic acid disodium salt test paper as indicator has been established. Staining of thin sections for quick identification of quartz, potash feldspar and plagioclase is usually done with sodium hexanitrocobaltate (III) and rhodizonic acid disodium salt. N-allyl-N?-(sodium p-phenyl-sulfonate)thiourea is used for eliminating the interference of Ag +?Au 3+?Hg 2+in the identification of Sr 2+ using Rhodizonic acid disodium salt.

Bemerkungen

Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents.

Literaturverweise

authors. Staining of albite. Geologiska Föreningen i Stockholm Förhandlingar. 1980, 101 (4), 357-358.

MA Wan-shan,; LIU De-gong,; YUAN Hong-mei,; HAN Jiao-li .The sheltering function of N-allyl-N?-(sodium pWT4HZ-phenyl-sulfonate) thiourea in the identification of Sr 2+. ournal of Xinyang Teachers College. 2000.

Titration indicator for Ba.

Weitere Referenzen

Merck
14,8670
Beilstein
5181379
Harmonized Tariff Code
2914.40
TSCA
No

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