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Showing 1 - 15 results of 15 for search '"international standard"', query time: 0.55s Refine Results
  1. 1
    “... international standard). Water sampling was carried out after other groups, leading to a considerable time delay...”
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  2. 2
    “... reference depth for comparisons with satellite data (remote sensing international standard). Water sampling...”
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  3. 3
    “... (Fluka) internal standard, followed by bead beating and centrifugation to separate the extract from...”
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  4. 4
    “... (Fluka) internal standard, followed by bead beating and centrifugation to separate the extract from...”
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  5. 5
    “... mixture of Dichloromethane spiked with an internal standard of BrC20 (1-bromoeicosane) and cyclooctane...”
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  6. 6
    “... of dichloromethane spiked with an internal standard of BrC20 (1-bromoeicosane) and cyclooctane. Samples were analysed...”
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  7. 7
    “... dimethylformamide plus 50 micro litre methanol (containing 140 ng apo-8'-carotenal (Fluka) internal standard) were...”
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  8. 8
    “.... Samples were immediately extracted with 0.7 μm of dichloromethane spiked with an internal standard of BrC...”
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  9. 9
    “... dilution and immediately extracted with a mixture of Dichloromethane spiked with an internal standard...”
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  10. 10
    “.... Samples were immediately extracted with 0.7 μm of dichloromethane spiked with an internal standard of BrC...”
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  11. 11
    “..., and concentrations were determined from commercial and international standards (Sigma; DHI, Denmark). Analysis...”
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  12. 12
    “... of dichloromethane spiked with an internal standard of BrC20 (1-bromoeicosane) and cyclooctane. Samples were analysed...”
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  13. 13
    “...-diode array (PDA) detector, and concentrations were determined from commercial and international...”
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  14. 14
    “... ng apo-8'-carotenal (Fluka) internal standard in 50 micro litres methanol. The extract was cleared...”
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  15. 15
    “... of internal standard mix (containing 50 micro grams/mL 1,4-dichlorobenzene, 50 micro grams/mL p-terphenyl, 250...”
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