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Investigation of the role of the production process on the luminescence of sea salt products

Peter G. Hunter
Peter G. Hunter
 und 
Nigel A. Spooner
Nigel A. Spooner
   | 01. Juni 2017
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Online veröffentlicht: 01. Juni 2017
Seitenbereich: 121 - 128
Eingereicht: 16. Mai 2016
Akzeptiert: 19. Jan. 2017
DOI: https://doi.org/10.1515/geochr-2015-0055
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© 2016 P. G. Hunter and N. A. Spooner
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Figure 1

Diamond Salt — First Glow. (5 Gy dose, heating rate 5 K/s). Left — Hunter et al., 2012 Right — present study
Diamond Salt — First Glow. (5 Gy dose, heating rate 5 K/s). Left — Hunter et al., 2012 Right — present study

Figure 2

First Glow: Diamond salt. Luminescence Intensity vs Photon Energy and Temperature. (5 Gy dose, heating rate 5 K/s).
First Glow: Diamond salt. Luminescence Intensity vs Photon Energy and Temperature. (5 Gy dose, heating rate 5 K/s).

Figure 3

Second Glow: Diamond salt. Luminescence Intensity vs Photon Energy and Temperature. (5 Gy dose, heating rate 5 K/s).
Second Glow: Diamond salt. Luminescence Intensity vs Photon Energy and Temperature. (5 Gy dose, heating rate 5 K/s).

Figure 4

Salt Survey. Luminescence Intensity vs Photon Energy and Temperature. (5 Gy dose, heating rate 5 K/s).
Salt Survey. Luminescence Intensity vs Photon Energy and Temperature. (5 Gy dose, heating rate 5 K/s).

Figure 5

Cheetham Salt Intensity (cts/Gy(mn).
Cheetham Salt Intensity (cts/Gy(mn).

j.geochr-2015-0055.tab.006.w2aab2b8d296b1b7b1ab2b2ab5Aa

ELEMENTSTaTbTeThTiTITmuVwYYbZnZr
UNITSppmppmppmppmppmppmppmppmppmppmppmppmppmppm
DETECTION0.010.0050.10.0150.020.010.0110.10.050.0110.5
SaxaXXXXXXX0.02X0.7XXX1.8
Coles0.08XX0.09X0.02X0.03X0.8XXX4.5
DiamondXXXXXXXXX0.7XXX2.9

j.geochr-2015-0055.tab.005.w2aab2b8d296b1b7b1ab2b2ab4Aa

ELEMENTSNbNdNiPPbPrRbResSbScSeSmSnSr
UNITSppmppmppmppmppmppmppmppmppmppmppmppmppmppmppm
DETECTION0.050.0115020.0050.050.01500.05110.010.10.05
Saxa0.06X3X5X0.07X3960.4XXX0.525.79
Coles0.060.263X50.0690.62X4120.67XX0.020.524.71
DiamondXX5X3X0.07X1930.41XXX0.314.43

Sensitization from 135°C preheat of feedstock. Light sum (200–400°C) for 590 nm emissions.

AliquotNo preheat135°C Preheat
590 nm intensity (cts/Gy(mn))590 nm intensity (cts/Gy(mn))
1926317951361
2878076986328
3803156961460
4810834873617
5839149923463
6727036820335
Mean851507939246
Std Dev (%)±6±5
Sensitivity change (%)+10

j.geochr-2015-0055.tab.003.w2aab2b8d296b1b7b1ab2b2ab2Aa

ELEMENTSAgAlAsBaBeBiCaCdCeCoCrCsCuDyEr
UNITSppmppmppmppmppmppmppmppmppmppmppmppmppmppmppm
DETECTION0.1500.50.10.10.01500.050.010.150.0510.010.01
SaxaXXX0.2X0.01441XXXXX6XX
Coles0.132611X0.05412X0.620.2XX30.01X
DiamondXXX0.2XX206X0.440.19X1XX

Interaliquot variance of feedstock salt. Light sum (200–400°C) for 590 nm and 360 nm emissions.

Aliquot590 nm Intensity (cts/Gy(mn))360 nm Intensity (cts/Gy(mn))
926317495377
2878076499533
3803157469752
4810835558538
5839150490098
Mean851507500301
Variance5110533263
Variance (% of mean)6.06.6

j.geochr-2015-0055.tab.004.w2aab2b8d296b1b7b1ab2b2ab3Aa

ELEMENTSEuFeGaGdGeHfHoInKLaLuMgMnMoNa
UNITSppm%ppmppmppmppmppmppmppmppmppmppmppmppmppm
DETECTION0.010.010.050.010.10.050.010.01200.010.0052010.120
SaxaXXXXXXXX86X0.00967X0.2363527
ColesXX0.110.03XXX0.022490.32X68X0.3361339
DiamondXXXXXXXX155XX56X0.4363122
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