Calmagite, pure indicator grade
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Warning
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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 |
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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