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Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 132
Backtrace:
File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
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Function: require_once
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Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
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File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
Line: 315
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 166
Backtrace:
File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
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Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 235
Backtrace:
File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
Line: 315
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 315
Backtrace:
File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
Line: 315
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 356
Backtrace:
File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
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Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 282
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File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
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Function: require_once
Severity: Warning
Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent
Filename: Session/Session.php
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File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
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Filename: Session/Session.php
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File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
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Filename: Session/Session.php
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File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
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Filename: Session/Session.php
Line Number: 315
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File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
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Filename: Session/Session.php
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Line: 7
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Filename: Session/Session.php
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Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
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Filename: Session/Session.php
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File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
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Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent
Filename: Session/Session.php
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Backtrace:
File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
Line: 315
Function: require_once
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Filename: Session/Session.php
Line Number: 143
Backtrace:
File: /home/orthodiedw/nutridatabase/application/controllers/Articles.php
Line: 7
Function: __construct
File: /home/orthodiedw/nutridatabase/index.php
Line: 315
Function: require_once
Une nouvelle méthode simple et économique de densimétrie par CCM a été établie pour le dosage quantitatif simultané de l'acide acétylsalicylique et de l'acide ascorbique dans des comprimés effervescents combinés. La séparation a été réalisée sur des plaques de gel de silice d'aluminium 60F254 en utilisant du chloroforme / éthanol-acide glacial dans un rapport volumique de 5: 4: 0,03 en tant que phase mobile. La densitométrie UV a été réalisée en mode absorbance à 200 nm et 268 nm pour l'acide acétylsalicylique et l'acide ascorbique, respectivement. La méthode présentée a été validée conformément aux directives ICH par spécificité, linéarité, précision, précision, limite de détection, limite de quantification et robustesse. Les validations de la méthode indiquent une bonne sensibilité avec une faible valeur de la LOD et de la LQ des deux substances actives examinées. La plage de linéarité s’établissait à 1,50 (-) 9,00 mug / tache et à 1,50 (-) 13,50 mug / tache pour l’acide acétylsalicylique et l’acide ascorbique, respectivement. Un coefficient de variation inférieur à 3% confirme l'exactitude satisfaisante de la méthode proposée. Les résultats du test de la formulation de comprimés combinés sont égaux à 97,1% et 101,6% par rapport à l’affirmation de l'étiquette selon laquelle l'acide acétylsalicylique et l'acide ascorbique répondent aux critères de la pharmacopée. La méthode densitométrique TLC développée peut convenir à l'analyse simultanée de routine de l'acide acétylsalicylique et de l'acide ascorbique dans des formulations pharmaceutiques combinées. La TLC-densitométrie proposée peut constituer une méthode alternative à la chromatographie en phase liquide à haute performance moderne pour le contrôle de la qualité des substances susmentionnées. Elle peut également être appliquée lorsque la HPLC ou la GC ne sont pas abordables en laboratoire.
Source: https://www.ncbi.nlm.nih.gov/pubmed/30487409