CHECK LIST 1. Is an external wall within 900mm of an allotment boundary to another property‚ 1.8m to another building that isn’t a class 10 building‚ or 3m from a brush fence? 2. If so‚ these walls must have a non-combustible roof lining and eve lining. 3.Windows in these walls must be non-operable fire windows (exceptions for bathroom toilet or laundry windows with an area smaller than 1.2m2 4.Doors must be self closing and solid core not less than 35mm 5. Are there any encroachments between the
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added 5 drops of 3M NaCl to the unknown solution‚ we had some precipitate‚ we centrifuge and then we divided to two test tubes‚ and they were put in hot water and got confirmatory tested. The Ag+ appeared to be in the solution because it melted‚ however Pb2+ didn’t. With the rest of the solution we added Na2SO4 we had precipitate which means I had Ba2+and we centrifuge it to do confirmatory test by adding K2CiO4 and the result was the precipitate was yellow. After then I added 3M of NH3 to raise the
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Absorption Spectroscopy Author: Lab Partners: Instructor: Chem 152 Date Work Performed: Date Work Submitted: Abstract A Beer’s Law analysis was used to determine the molar absorptivity of a Red-40 food dye. Using a spectrometer‚ the best wavelength to use for the analysis of this dye was determined to be 501nm. A series of dilutions were performed and the concentrations were calculated to find ‘E‚’ the molar absorptivity‚ which was determined to be 18035 M-1 cm-1. Introduction
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Methods: Sampling for the fouling community was taken at Bodega harbor during low tide. The main dock constituted as the transect for which measurements were taken. Quadrats were placed along the main dock‚ quadrats used in this experiment were .3m x .3m. In total there
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Waste Minimization Techniques Mike Lancaster Green Chemistry Network Waste Treatment Cost of Waste PREVENT TREAT & DISPOSE DISPOSE Cost of Waste Legislation 1900 2000 1 Waste Minimization Techniques • • • • Prevention is better than cure Get it right at the R&D stage Chemists do not have all the answers! The answer lies within a multi-disciplinary team – – – – – chemists chemical engineers production business health‚ safety‚ environment specialists
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PAHANG TRIAL 2009 EXAMINATION CHEMISTRY PAPER 2 MARKING SCHEMES SECTION A - Structural Questions: Question 1. (a) (i) The presence of isotopes 1M (ii) Let the abundance of 63X be a %. The % abundance of 65X. = ( 100 – a ) 1M Relative atomic mass = ( 62.93 x a) + ( 64.93 x ( 100 -a) ) 1M
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MediShield. I am sure many would welcome this. But it will inevitably lead to over-consumption. We need a carefully considered‚ and calibrated approach. Remember that after government subsidies‚ we have our 3Ms – Medisave‚ MediShield and Medifund‚ to help defray our medical expenses. The 3Ms allow us to first look after ourselves and our families through savings (Medisave). The second line of defence is the pooling of risks to pay for larger bills (MediShield). And if all else fails‚ to tap on the
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coming years. The report also includes a discussion of the key vendors operating in this market. To Get details: http://www.bigmarketresearch.com/global-office-stationery-supplies-and-services-market The key vendors dominating this space include 3M Co.‚ OfficeMax Inc.‚ Office Depot Inc.‚ and Staples Inc. The other vendors mentioned in this report are ACCO Brands Corp.‚ Best Buy Co. Inc.‚ Cross (A.T.) Co.‚ Kate’s Paperie Ltd.‚ Lyreco Group‚ Osbornes Stationers Ltd.‚ Paperchase Products Ltd.
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phases of animal tissue in micro centrifuge. Materials 1. Fresh tissue of animal ( fish ) 2. Mortal and pestle‚ 3. Petri dish 4. Lysis buffer 5. 1.5mL centrifuge tube 6. Phenol : chloroform (1:1) 7. Proteinase K 8. 3M NaOAc (ph 6.0) 9. Absolute ethanol 10. 70% ethanol 11. TE buffer / distilled water Procedure 1) Fresh fish was cut to 0.5cm 2) Fish tissue washed with 70% alcohol 3) Wetted the tissue with a few drop of 70% of alcohol (
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1.1. Geological and geographical setting Ras El Hekma area is a part of NW coast of Egypt‚ it lies on the Mediterranean Sea west of Alexandria City for about 220 km‚ it seems as triangle headland extending into the Mediterranean sea for about 15 km‚ it covers about 230 km² (Fig.1). Fig.1: Location map of the study area and selected field surveying sites The major geomorphic features of Ras El Hekma area are oriented in E/W direction‚ parallel to the present shoreline. The geology of the study
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