Étalons de chromatographie ionique

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Ferroin 0.025 mol/L solution RS, for environmental analysis (COD determination)

CARLO ERBA

GHS07 GHS08
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526751-100ML

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 Etalons d'osmolalité

Reagecon

Etalons d'osmolalité pour l'étalonnage et le réglage, compatibles avec toutes sortes d'osmomètres. Gamme étendue: 50 à 3000 mOsmol/kg H 2O, certifiés ISO 17025. Valeurs de 100 à 700 mOsmol/kg H 2O selon la pharmacopée europénne 2.2.35 et pharmacopée US 785. 12 ampoules de 5 ml....

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 Etalons de couleur Gardener

Reagecon
GHS08

Les étalons de couleur Gardener peuvent servir à l'étalonnage, au contrˆle, à la qualification ou à la validation de colorimètres, à la détermination de l'indice de coloration.

  • Spécialement pour les méthodes conformément àASTM D1544, D 6166, AOCS Td 1a et MS 817 partie 10
  • Conviennent pour des liquides de couleurs similaires, dont différentes huiles végétales et minérales
  • Dans un flacon en verre de 100 ml
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Fluoride Standard for IC TraceCERT®, 1000 mg/L fluoride in water, 1000 mg/L fluoride in water, prepared with high purity NaF and water

Sigma-Aldrich

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77365-100ML

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Nitrate Standard for IC TraceCERT®, 1000 mg/L nitrate in water, 1000 mg/L nitrate in water, prepared with high purity NaNO₃ and water

Sigma-Aldrich

Regulierter Aussgangsstoff
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74246-100ML

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Bromide Standard for IC TraceCERT®, 1000 mg/L bromide in water, 1000 mg/L bromide in water, prepared with high purity NaBr and water

Sigma-Aldrich

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43147-100ML

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Nitrite Standard for IC TraceCERT®, 1000 mg/L nitrite in water (pH ~11), 1000 mg/L nitrite in water, stabilized with NaOH to pH 10-11, prepared with high purity NaNO₂, water and NaOH

Sigma-Aldrich

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67276-100ML

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Calcium Standard for IC TraceCERT®, 1000 mg/L Ca+2 in nitric acid, 1000 mg/L Ca²⁺ in ≤0.1% nitric acid, prepared with high purity CaCO₃, HNO₃ and water

Sigma-Aldrich

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39865-100ML

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Ammonium Standard for IC TraceCERT®, 1000 mg/L NH4+ in water, 1000 mg/L NH₄⁺ in water, prepared with high purity NH₄Cl and water

Sigma-Aldrich

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59755-100ML

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Bromate Standard for IC TraceCERT®, 1000 mg/L bromate in water, 1000 mg/L bromate in water, prepared with high purity KBrO₃ and water

Sigma-Aldrich

GHS08
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78476-100ML

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