Severity: Warning
Message: fopen(/var/cpanel/php/sessions/ea-php83/ci_sessiondedca466d756cfe3c8c7d8a33ccf15e7e8c86747): Failed to open stream: No space left on device
Filename: drivers/Session_files_driver.php
Line Number: 178
Severity: Warning
Message: session_start(): Failed to read session data: user (path: /var/cpanel/php/sessions/ea-php83)
Filename: Session/Session.php
Line Number: 138
Home Chemnovo Redox Indicators Magneson I AR
01608
Magneson I AR
4-(4-Nitrophenylazo) resorcinol; Azoviolet
Molecular Formula : C12H9N3O4
Molecular Weight : 259.22
Physical state at 20 °C
Solid |
Colour
Red powder |
Odour
Odorless |
Melting point/ Freezing point [°C]
195 - 200 °C |
Solubility in water [% weight]
Insoluble in water |
Appearance
Red powder |
Ash content
Max 0.5% |
Sensitivity
Detects min 1 ppm Mg |
Absorption maxima (methanol + 1 ml of 0.1 N NaOH)
439 - 445 nm |
Absorptivity (A 1%/1cm; at lmax)
1430 |
Loss on dryig (at 110°C)
Max 8% |
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319
Precaution Statement: P305 + P351 + P338