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عبد السلام هلال's image
La question a été ajoutée par عبد السلام هلال TECHNIQUE EDUCATION EDUCATION
Depuis 10 années

CHEMICALS (usually organic based) MAY expire, how have explained, and what are the possible corrections to extend their validity, if it is possible? ‎

example the oxidation of olive oil in the open what is happening is the setting of oxygen on carbon-carbon double bonds when the carbonaceous chain will be completely s‎ ... Voir Plus

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ADITYA SARUPRIA's image  
La répondre a été ajoutée par  ADITYA SARUPRIA, Waste Management Supervisor, Qatar Foundation
Depuis 10 années

Each chemical has a shelf life. Check MSDS supplied with the chemical. To avoid expiry of chemicals, order required quantity only. Excess chemicals stored may lead to exp ... Voir Plus

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sarra elguecier's image  
La répondre a été ajoutée par  sarra elguecier, chef de département CQHESDA, BELLAT
Depuis 9 années

which is the means for evaluating the water retention capacity in cooked meat products, and in the powders; in addition to what is the method to measure the extraction of ... Voir Plus

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Mohamed Khedr's image  
La répondre a été ajoutée par  Mohamed Khedr, Researcher, Helmholtz Center Munich
Depuis 10 années

Each chemical comes with a material safety datasheet "MSDS" on which you'll find the perfect conditions to inhibit the degredation of this chemical under t ... Voir Plus

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Peter Abd El Malak's image  
La répondre a été ajoutée par  Peter Abd El Malak, Senior Executive Provider Network & Client Relations, Health 360 Ancillary Sevices W.L.L
Depuis 10 années

Extending Validity of chemicals is by preserving it away from moisture, very high or very low degrees of tempreature, keeping it closed not to open for a long time, not t ... Voir Plus

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