Page 33 - Feed Lab
P. 33

Reagents and Chemicals                        Suguna Management System      Ver 1.0 / SOP / FQL / P1 - 04  Page  5 of 6


              floor level and in labelled cabinets.             FAcetic  acid  -  Dangerous  when  in  contact  with
                                                                   chromic  acid,  sodium  peroxide  or  nitric  acid;
           FIsolate perchloric acid from organic materials and     should be stored away from oxidizing materials.
              from sulphuric acid. Do not store perchloric acid on
              a wooden shelf.                                   FAcetone - A volatile liquid gives off vapours which
                                                                   form flammable and explosive mixtures with air; do
           FSegregate highly toxic chemicals and carcinogens       not mix with chloroform.
              from all other chemicals.
                                                                FAmmonia (anhydrous) - Irritant, extremely caustic
           FDo not store peroxide forming chemicals (e.g. ethyl    liquid  and  gas  and  reacts  violently  with  strong
              ether,  dioxin)  for  more  than  twelve  months  or   oxidizing  agents.  Isolate  from  other  chemicals,
              beyond  the  date  recommended  by  the              particularly chlorine and strong acids.
              manufacturer.
                                                                FFormaldehyde - Exposure to high concentrations
           FRefrigerate flammables in an explosion/spark-proof
                                                                   may  cause  skin  irritation  and  inflammation  of
              refrigerator.
                                                                   mucous membranes, eyes, and respiratory tract.
           FGlass chemical containers should never be stored    FFormic acid - Corrosive and has caustic effects on
              on the floor
                                                                   the skin. Flammable, may form explosive mixtures
           FEnsure a containment tray is under the bottles in      with air.
              case of spillage.
                                                                FHydrochloric acid - Aqueous solution is corrosive
           FReturn  chemicals,  supplies,  and  associated         and irritating. Fumes are corrosive and irritating to
              equipment to their proper place after use.           mucous membranes. Hydrogen is evolved upon
                                                                   contact  with  metals.  Keep  away  from  oxidizing
           FIf a container is to be used for waste, remove, cover
                                                                   agents.
              or deface the original label. Then label it clearly with
              a marker or label so that its contents will be obvious.   FHydrogen  peroxide  -  Prolonged  exposure  to
              When  chemical  bottle  is  empty  also  remove  or   vapour irritating to eyes and lungs. Causes skin
              deface the label.                                    irritation. May decompose violently if contaminated
                                                                   with copper, iron, or chromium; store in cool place
           FElectrically ground all metal solvent containers prior   away from combustible materials.
              to transfer of any solvent.
                                                                FNitric acid - Corrosive and causes severe burns on
           FLiquid chemical bottles should be secured when
                                                                   contact with skin. Reacts vigorously with aniline,
              transporting between laboratories.
                                                                   hydrogen  sulphide,  flammable  solvents,  and
           FNever  pour  toxic  or  water  insoluble  flammable    hydrazine and metal powders.
              solvents down the sink.
                                                                FOxalic  acid  -  Forms  explosive  compound  with
           FWhen  mixing  solutions,  ALWAYS  add  the             silver and mercury. Oxalates are toxic. Avoid skin
              concentrated liquid to the dilute liquid.            contact.

           FAlways add acid to water. Organics should not be    FPotassium  cyanide  -  Highly  poisonous  when
              evaporated in the hood. Use a waste container to     ingested. Evolves hydrocyanic acid gas on contact
              dispose of them. Organic waste containers must       with acids or moisture.
              be capped when not in use.
                                                                FPotassium  hydroxide  -  Generates  heat  on
                                                                   contact with water; store in dry place.
           Common laboratory Hazardous chemicals
           Material safety data sheets (MSDS) should be easily   FSodium  hydroxide  -  In  the  same  class  as
           retrievable for all chemicals/substances stored in the   potassium hydroxide: Isolate from heat and water.
           laboratory.                                             When in contact with water liberates excess heat




          Prepared by :                                                             Approved by :
                                                             23                                    Director - Technical
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