MALAYSIA ACTD GUIDELINES

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CALIBRATION OF UV-VISIBLE SPECTROPHOTOMETER

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1.0 CONTROL OF ABSORBANCES PROCEDURE: REPARATION OF POTASSIUM DICROMATE SOLUTION: Dry K2Cr2O7 at 130oC for 2 hours. Weigh accurately about the quantity of sample equal to 60mg into 1000ml volumetric flask. Add 0.005m Sulphuric acid to dissolve and dilute with the same solvent. Find out the absorbances of (A 1% 1cm) above said solution at wavelengths of a 235nm, 257nm, 313nm and 350nm. Calculate the (1% 1cm) value using the following expression. Absorbance X 1 X 1000 / Weight of K2Cr2O7 in g X 100 Check the value for each wavelength with the tolerances given four wavelengths. PREPARATION OF REAGENT: (i) Dilute 3ml of concentrated sulphuric acid and make up 100ml with distilled water. (ii) Dilute 20ml to 2000ml with distilled water. 2. LIMIT OF STRAYLIGHT: The absorbance of a 1.2-% w/v solution of potassium chloride at a path-length of 1cm should be greater than 2.0 at about 200nm when compared with water as reference liquid. 1.2% POTASSIUM CHLORIDE SOLUTION: Take 1.2 g of Potassium chlo...
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PROCEDURE FOR FUMIGATION OF CLEAN ROOMS

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1.0 Formaldehyde Solution 37% (Formalin) sufficient to vapourise about 35 ml of Formalin for each cubic metre of enclosed space. a) Large stainless steel evaporating pans. b) Thermostatically controlled hot plates. c) Small stainless steel canisters with perforated stainless steel lids. Polyurethane pieces. d) Adhesive tapes e) Goggles f) Aseptic area garments, duly sterilized g) Thermometers h) Petri dishes with nutrient agar media. 2.0 PRECAUTIONS 2.1 Formalin is a strong irritant and is toxic. Inhalation of formaldehyde gas should be avoided since it cause irritation of the respiratory tract. Contact with the skin should also be avoided. 2.2 When Formalin is being handled, protective clothing inclusive of rubber gloves and goggles must be worn. Personnel must leave the area being fumigated as soon as possible after placing the pans of Fornalin on the hot plate...
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CLEANING OF COMPRESSION MACHINE (27 STATION)

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1.0 SCOPE: Applicable to Compression machine manufactured by Cadmach Machinery Company Pvt. Ltd. 2.0 RESPONSIBILITY: Operator, Production Officer. 3.0 PROCEDURE: 3.1 MACHINE AT THE TIME OF BATCH CHANGE OVER/ AT THE END OF SHIFT 3.1.1 Ensure that the machine labeled as ‘TO BE CLEANED’ Enter the details in the ‘Equipment usage log’ 3.1.2 Verify that the machine is switched ‘OFF’. 3.1.3 Change the status board of the cubicle. 3.1.4 Open the acrylic covers of the machine and suck the accumulated powder from the feed frame and other contact parts of the machine with the help of vacuum cleaner. 3.1.5 Open the cover of the De duster and clean it with vacuum cleaner. 3.1.6 Remove both the hoppers. Clean them with the help of vacuum cleaner followed by dry lint free cloth. 3.1.7 Suck the accumulated powder on the machine platform with the help of vacuum cleaner and clean the same with dry lint free cloth. 3.1.8 Remove both the feed frame and clean them using vacuum cleaner. 3.1.9 ...
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