Étalons de chromatographie ionique

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Ferroin 0.025 mol/l solution RS - For Flash chromatography

CARLO ERBA

GHS07 GHS08
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526751

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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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AMMONIUM STANDARD SOLUTION TRACEABLE TO SRM FROM NIST NH4CL IN H2O 1000 MG/L NH4 CERTIPUR®

Merck

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1

 1.19812.0500

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Product scheduled for discontinuation

Fluoride standard solution traceable to SRM from NIST NaF in H2O 1000 mg/l F Certipur®

Merck

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 1.19814.0500

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Product scheduled for discontinuation
Successor product: 1.04688.0500

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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ANION MULTI-ELEMENT STANDARD II 1000 MG/L: CL-, NO3-, SO42- IN H2O CERTIPUR®

Merck

Regulierter Aussgangsstoff
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1.11448.0500

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Magnesium Standard for IC TraceCERT®, 1000 mg/L Mg2+ in nitric acid, 1000 mg/L Mg⁺ in ≤0.1% nitric acid, prepared with high purity Mg(NO₃)₂, HNO₃ and water

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89441-100ML

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Sodium Standard for IC TraceCERT®, 1000 mg/L Na+ in water, 1000 mg/L Na⁺ in water, prepared with high purity NaNO₃ and water

Sigma-Aldrich

Regulierter Aussgangsstoff
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43492-100ML

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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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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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Ammonium Standard Solution, CRM traceable to SRM from NIST 50.0 mg/l NH4-N in H2O

Merck

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 1.25027.0100

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ANION MULTI-ELEMENT STANDARD I 1000 MG/L: F-, PO43-, BR- IN H2O CERTIPUR®

Merck

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1.11437.0500

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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

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43147-100ML

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Chlorate Standard for IC TraceCERT®, 1000 mg/L chlorate in water, 1000 mg/L chlorate in water, prepared with high purity KClO₃ and water

Sigma-Aldrich

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73166-100ML

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Potassium Standard for IC TraceCERT®, 1000 mg/L K+ in water, 1000 mg/L K⁺ in water, prepared with high purity KNO₃ and water

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Regulierter Aussgangsstoff
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53337-100ML

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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

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59755-100ML

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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

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67276-100ML

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Cyanide Standard for IC TraceCERT®, 1000 mg/L cyanide in water, prepared with high purity K₂[Zn(CN)₄] and water. 1000 mg/L CN- in water refers to the nominal cyanide-concentration and not to the form of the analyte in the solution. Cyanide exists mai nly in the complex form ( [Zn(CN)4]2- ) in the water (basic) solution. Show more

Sigma-Aldrich

GHS06 GHS09
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90157-100ML

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Acetate Standard for IC TraceCERT®, 1000 mg/L acetate in water, 1000 mg/L acetate in water, prepared with acetic acid, NaOH and water (pH 7-8), filtered through a 0.2
µ
m membrane filter and stabilized with sodium azide

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51791-100ML

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Perchlorate Standard for IC TraceCERT®, 1000 mg/L perchlorate in water, 1000 mg/L perchlorate in water, prepared with high purity HClO₄ and water

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76462-100ML

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Phosphate Phosphorus Standard for IC TraceCERT®, 1000 mg/L P as phosphate in water, 1000 mg/L P as phosphate in water, prepared with high purity Na₂HPO₄ and water

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95924-100ML

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

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89503-100ML

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IC anion standard nitrate 1.000 g NO3-/l KNO3 in water traceable to NIST

AnalytiChem

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04313.0000

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Plastikflasche   DIN32   		100 ml Login / Register here
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04313.1000

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Plastikflasche   DIN32   		250 ml Login / Register here
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Lithium Standard for IC TraceCERT®, 1000 mg/L Li+ in nitric acid, 1000 mg/L Li⁺ in ≤0.1% nitric acid, prepared with high purity Li₂CO₃, HNO₃ and water

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59878-100ML

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