Calmagite, pure indicator grade

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AC10817-1000
103516-408EA 367 USD
103516-408
Calmagite, pure indicator grade
Calmagite
Formula: C₁₇H₁₄N₂O₅S
MW: 358.37
Melting Pt: 300 °C
Storage Temperature: Ambient
MDL Number: MFCD00011656
CAS Number: 3147-14-6
EINECS: 221-563-0

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Specification Test Results

Appearance Black Crystalline powder
Infrared spectrum Conforms
Specific extinction E (1%/1cm) ≥300 (610 nm, in buffer)
Suitability (for Ca + Mg determination) Passes test
UV (2.7 g in 100 ml water) pH 3
UV at 210 nm A: ≤0.1
UV at 220 nm A: ≤0.05
UV at 230 nm A: ≤0.03
UV at 240 nm A: ≤0.02
UV at 250 nm A: ≤0.01
UV at 260 nm A: ≤0.01
Titration after Ion exchange ≥99.0 %

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