Best practice in Sample Temperature Management. Brisbane, Sydney, Melbourne (Springvale), ... Degrees Celsius. Hours. Te
EnviroMail #85
February 2015
Best practice in Sample Temperature Management WHY SAMPLE TEMPERATURE IS IMPORTANT
HOW QUICKLY DO SAMPLES CHILL DOWN?
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ALS SUPPORTING INFORMATION
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CASE STUDY IN REMOTE SHIPPING
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Brisbane, Sydney, Melbourne (Springvale), Perth, Newcastle, Roma, Darwin, Adelaide, Townsville, Mackay, Gladstone, Wollongong, Nowra, Mudgee, Chinchilla, Emerald Water Resources Group: Canberra, Bendigo, Geelong, Melbourne (Scoresby), Wangaratta, Traralgon
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FIGURE 1: SAMPLE CHILLING TRIALS. ⁰ Temperature Trial 35
30
20⁰C Sample immediately ice-chilled & bubble wrapped 20⁰C Sample immediately ice-chilled - no wrap
25
40⁰C Sample immediately ice-chilled & wrapped 40⁰C Sample immediately ice-chilled - no wrap
20
20⁰C Sample unchilled for 4 hours then ice-chilled & bubble wrapped 20⁰C Sample unchilled for 4 hours then ice-chilled & no wrap 40⁰C Sample unchilled for 4 hours then ice-chilled & bubble wrapped 40⁰C Sample unchilled for 4 hours then ice-chilled & no wrap 20⁰C Sample unchilled for 2 hours then ice-brick & wrap 20⁰C Sample unchilled for 2 hours then ice-brick & no wrap 20⁰C Sample unchilled for 4 hours then ice-brick & wrap
Degrees Celsius 15
10
5
0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 Hours
FIGURE 2: ALS EUROPEAN TRIALS ON CHILLING USING DIFFERENT QUANTITIES OF ICE
ALS RECOMENDATIONS
Brisbane, Sydney, Melbourne (Springvale), Perth, Newcastle, Roma, Darwin, Adelaide, Townsville, Mackay, Gladstone, Wollongong, Nowra, Mudgee, Chinchilla, Emerald Water Resources Group: Canberra, Bendigo, Geelong, Melbourne (Scoresby), Wangaratta, Traralgon
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