Hydrochloric Acid Packaging
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Legal requirements govern Hydrochloric Acid packaging. When packing hazardous substances such as Hydrochloric Acid, legislation requires the packer to ensure that a suitable container is used to contain the substance in a safe manner. Hydrochloric Acid packaging materials must be compatible with the product and cause no degradation either to the product or the packaging materials used.
Hydrochloric Acid packaging materials may include glass, metal or plastic as an 'inner' or for single packaging. 'Outer' packaging materials for Hydrochloric Acid packaging are generally made from fibreboard, plastic, metal or wood.
UN approved packaging is identified by a coding system and the UN Number of the product contained therein. UN approved packaging should always be supplied with a specification certificate giving details of material, dimensions, closures etc. Sizes vary from ampoules or vials containing millilitres up to one thousand litres IBC’s. For volumes larger than an IBC’s materials would normally be transported in tankers.
Care must be taken with Hydrochloric Acid packaging. When filling containers with Hydrochloric Acid, it is vital that sufficient ullage is left between the fill level and the closure to allow for movement during carriage. Great care must also be taken when choosing the type of closure for a volatile substance, particularly if packaged in a plastic container. Pressure build-up will cause the receptacle to balloon up if vapours are not allowed to escape so vented caps may be required.
Consideration should always be given to the hazardous properties of any substance before packing as some vapours may be harmful if inhaled, necessitating the use of fume extraction whilst the packaging operation takes place.
Metal drums may be fitted with a bottom outlet but it is essential to tighten this before filling to minimise risk of leakage. Metal is generally used to contain flammable liquids rather than corrosive materials which could potentially attack the metal drums.
Acid and Alkaline substances are generally contained in plastic packaging such as drums or smaller carboys. Laboratory size packs would be containers of 5 litres or less for alkalis and mostly glass for strong acids, with a more dilute acid solution housed in plastic.
http://www.hydrochloric-acid.co.uk/hydrochloric-acid-packaging | Saved Wednesday, February 3rd, 2010 - 4:16 AM