Severity: Warning
Message: fopen(/var/cpanel/php/sessions/ea-php83/ci_sessionc57558d103f7bee339074edd3af55fea6bc90714): 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 Laboratory Chemicals 1-Amino-2-Naphthol- 4-Sulphonic Acid 98% AR
00163
1-Amino-2-Naphthol- 4-Sulphonic Acid 98% AR
For determination of phosphate 4-Amino-3-hydroxy-1-napththalenesulfonic acid
Physical state at 20 °C
Solid |
Colour
Pale violet |
Melting point/ Freezing point [°C]
295 °C |
Solubility in water [% weight]
Slightly soluble in water |
Appearance
Pale violet coloured powder |
Assay
Min 98% |
Sulphated ash
Max 0.5% |
Chloride (Cl)
Max 0.01% |
Sensitivity for phosphate
Passes test |