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aprons additional protection such as a rubber apron is recommended for work with appreciable amounts of chromic acid hydrofluoric acid and other
gloves gloves should be worn when transferring toxic radioactive and carcinogenic compounds irritants and corrosive liquids the practice of wearing
safety spectacles safety spectacles need to be used where there is the slightest risk of splashes of chemicals or fragments of dust glass etc
lab coats the lab coat should fit well and should be buttoned up correctly at all times cotton lab coats are more suitable than those made from
personal protective devices we shall now discuss the details of protective devices required for safety in a laboratory the aim of protective devices
code of practice in a laboratorythe following is a set of rules you should follow while working in a laboratory1 always wear the required protective
need for code of behaviour a laboratory is a potentially dangerous working environment cuts from broken glass chemical or thermal burns and
obligations of the teachers and the head of the institution towards maintaining laboratory safetysafety in laboratory work is the collective
objectives after studying this unit you should be able to1 list the obligations of the teachers and the head of the institution
introduction in this unit we introduce you to the fundamental of personal safety code in a laboratory if you do not have safe laboratory practice
melting point - physical charterstics of monocarboxylic acidsa the melting points of carboxylic acids do not change smoothly from one member to other
solubility - physical charterstics of monocarboxylic acids the lower most members of the aliphatic carboxylic acid family
physical charterstics of monocarboxylic acids physical statethe first or initial three members upto 3 carbon
the major hazards encountered in the biological lab work are diseases like infections and allergies which are caused by handling live animals
disposal you must always sterilize cultures and contaminated instruments and glassware before disposing them of or before washing-up usually you can
sterilization of apparatus for microbiology experiments containers of dangerous biological materials and the doors leading to laboratories or rooms
physical properties of acetophenone - aldehydes and ketonesa acetophenone is a colourless crystalline solid with melting point 20c and boiling point
microorganisms great care must be taken in microbiological experiments particularly with pathogenic disease producing organisms many microorganisms
blood sampling in blood sampling the skin is deliberately punctured in order to take a blood sample for analysis if this is done carelessly it is
sharps cuts due to careless handling of sharps such as sectioning razors microtome blades etc are probably the most common cause of injury in the
the dangers of working in labs with animals will be minimised if the following precautions are taken1 wash all dissection instruments in disinfectant
tests of benzaldehyde - aldehydes and ketonesa it forms a white precipitate with solutionb it creates a yellow precipitate with 2 4
disposal opaque bags are the recommended for disposing off carcasses you should also put freshly dissected animals and tissues into opaque plastic
handling the desire for survival is same whether in animals or human beings you may be aware of the ability of even tiny animals to scratch and bite
supply of animals lab animals must be obtained from accredited dealers and by accredited dealers we mean suppliers in the business of supplying