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Ferroin 0.025 mol/l solution RS - For Flash chromatography

CARLO ERBA

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Osmolality standards

Reagecon

Osmolality Standards for calibration and control, compatible with all types of osmometers. Extensive range: 50 to 3000 mOsmol/kg H ₂O, ISO 17025 certified. Values from 100 to 700 mOsmol/kg H ₂O according to European Pharmacopoeia 2.2.35 and US Pharmacopeia 785. 12 ampoules of 5 ml each....

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Colour Standards Gardner

Reagecon

The colour standard can be used to calibrate, control, qualify or validate colour measurement instruments to determine the colour number.

Specially for methods according to ASTM D1544, D 6166, AOCS Td 1a and MS 817 Part 10
Suitable for similarly coloured liquids, including several vegetable and mineral oils
In 100 ml glass bottle

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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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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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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

Opbevares mellem +2 til +8 grader Celcius

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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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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

Sigma-Aldrich

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

Merck

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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

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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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Formate Standard for IC TraceCERT®, 1000 mg/L formate in water, 1000 mg/L formate in water, prepared with calcium formate and water, filtered through a 0.2
µ
m membrane filter and stabilized with sodium azide

Sigma-Aldrich

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Multi Anion Standard 1 for IC TraceCERT®, in water, For the preparation of this CRM only materials of highest purity were used.

Sigma-Aldrich

Regulierter Aussgangsstoff

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Nitrate Nitrogen Standard for IC certified reference material, 1000 mg/L N as nitrate in water, TraceCERT®, 1000 mg/L N as nitrate in water, prepared with high purity NaNO₃ and water

Sigma-Aldrich

Regulierter Aussgangsstoff

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

Sigma-Aldrich

Regulierter Aussgangsstoff

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Chloride Standard for IC TraceCERT®, 10,000 mg/L chloride in water, 10& 8242,000 mg/L chloride in water, prepared with high purity NaCl and water

Sigma-Aldrich

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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

Sigma-Aldrich

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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

Sigma-Aldrich

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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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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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Butyrate Standard for IC TraceCERT®, 1000 mg/L butyrate in water, 1000 mg/L butyrate in water, prepared with sodium butyrate and water, filtered through a 0.2
µ
m membrane filter and stabilized with sodium azide

Sigma-Aldrich

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Fluoride IC Standard Solution, ROTI®Star, 1000 mg/l F-

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ICP standard scandium 1.000 g Sc/l Sc2O3 in nitric acid 2 mol/l traceable to NIST

AnalytiChem

Beschränkter Ausgangsstoff

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Lactate Standard for IC TraceCERT®, 1000 mg/L lactate in water, 1000 mg/L lactate in water, prepared with magnesium L-lactate hydrate and water, filtered through a 0.2
µ
m membrane filter and stabilized with sodium azide

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Multielement standard solution 3 for ICP TraceCERT®, in 5% nitric acid

Sigma-Aldrich

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Oxalate Standard for IC TraceCERT®, 1000 mg/L oxalate in water, 1000 mg/L oxalate in water, prepared with sodium oxalate and water, filtered through a 0.2
µ
m membrane filter and stabilized with sodium azide

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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

Sigma-Aldrich

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Phosphorus Standard for ICP TraceCERT®, 1000 mg/L P in H₂O, 1000 mg/L P in water, prepared with high purity H₃PO₄ and water

Sigma-Aldrich

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1 component: Cyanides (CN-) 1000 mg/l in Sodium Hydroxide 2%, 100 ml

CPAchem

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Acetate IC Standard Solution, ROTI®Star, 1000 mg/l CH3COO-

Roth

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Adipate Standard for IC TraceCERT®, 1000 mg/L adipate in water, 1000 mg/L adipate in water, prepared with adipic acid and water, filtered through a 0.2
µ
m membrane filter and stabilized with sodium azide

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Aluminium standard solution 10 mg Al/l Al with 4 ml nitric acid 65 %/l dissolved in water according to DIN ISO 10566:1999, DEV E30

AnalytiChem

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ALUMINIUM-STANDARDLÖSUNG FÜR DIE AAS 1 MG/ML AL IN 0,500 ML

Thermo (Acros)

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Aluminum Standard for ICP TraceCERT®, 10,000 mg/L Al in nitric acid, 10′000 mg/L Al in 5% nitric acid, prepared with high purity Al(NO₃)₃ · 9H₂O, HNO₃ and water

Sigma-Aldrich

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Ammonium as N IC Standard Solution, ROTI®Star, 1000 mg/l NH4+(N)

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Ammonium IC Standard Solution, ROTI®Star, 1000 mg/l NH4+

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

Merck

1

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Ammonium Standard Solution, CRM traceable to SRM from NIST 0.400 mg/l NH4-N in H2O

Merck

1

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

Merck

1

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Anion multi standard solution, 3 anions in water

AnalytiChem

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Anion Multi-element stand. (IC) 6 anions, ROTI®Star 6 anions, 10 mg/l, (F-, Cl-, Br-, NO3-, PO43-, SO42-) in water

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Anion Multi-element standard (IC), ROTI®Star 3 anions, concentration in mg/l, (ClO3- 10mg/l, ClO2- 2mg/l, BrO3- 2mg/l) in water

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Anion Multi-element standard (IC), ROTI®Star 5 anions, concentration in mg/l, Cl- (50), NO2- (100), NO3- (100), PO43- (100), SO42- (50) in water

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Anion Multi-element standard (IC), ROTI®Star 7 anions, concentration in mg/l, (F- 1000mg/l, Cl- 1000mg/l, Br- 200mg/l, N(NO2-) 1000mg/l, N(NO3-) 200mg/l, P(PO4-) 1000mg/l, SO43- 1000mg/l) in Water

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Anion Multi-element standard (IC), ROTI®Star 7 anions, concentration in mg/l, (F- 100mg/l , Cl- 1000mg/l , Br- 100mg/l , NO3- 1000mg/l , NO2- 100mg/l , PO43- 100mg/l , SO42- 1000mg/l) in water

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Anion Multi-element standard (IC), ROTI®Star 7 anions, concentration in mg/l, (F- 10mg/l , Cl- 100mg/l , Br- 10mg/l , NO2- 10mg/l , NO3- 10mg/l , PO43- 10mg/l , SO42- 100mg/l) in water

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Anion Multi-element standard (IC), ROTI®Star 7 anions, concentration in mg/l, (F- 5mg/l , Cl- 10mg/l , Br- 25mg/l , NO2- 15mg/l , NO3- 25mg/l , PO43- 40mg/l , SO42- 30mg/l) in water

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Ihr Kontakt zu Th. Geyer

Positiv fortrængningspipetter

Ferroin 0.025 mol/l solution RS - For Flash chromatography

Osmolality standards

Colour Standards Gardner

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

Fluoride Standard for IC TraceCERT®, 1000 mg/L fluoride in water, 1000 mg/L fluoride in water, prepared with high purity NaF and water

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

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

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 µm membrane filter and stabilized with sodium azide

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

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

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

Formate Standard for IC TraceCERT®, 1000 mg/L formate in water, 1000 mg/L formate in water, prepared with calcium formate and water, filtered through a 0.2 µm membrane filter and stabilized with sodium azide

Multi Anion Standard 1 for IC TraceCERT®, in water, For the preparation of this CRM only materials of highest purity were used.

Nitrate Nitrogen Standard for IC certified reference material, 1000 mg/L N as nitrate in water, TraceCERT®, 1000 mg/L N as nitrate in water, prepared with high purity NaNO₃ and water

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

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

Chloride Standard for IC TraceCERT®, 10,000 mg/L chloride in water, 10& 8242,000 mg/L chloride in water, prepared with high purity NaCl and water

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

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

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

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

Butyrate Standard for IC TraceCERT®, 1000 mg/L butyrate in water, 1000 mg/L butyrate in water, prepared with sodium butyrate and water, filtered through a 0.2 µm membrane filter and stabilized with sodium azide

Fluoride IC Standard Solution, ROTI®Star, 1000 mg/l F-

ICP standard scandium 1.000 g Sc/l Sc2O3 in nitric acid 2 mol/l traceable to NIST

Lactate Standard for IC TraceCERT®, 1000 mg/L lactate in water, 1000 mg/L lactate in water, prepared with magnesium L-lactate hydrate and water, filtered through a 0.2 µm membrane filter and stabilized with sodium azide

Multielement standard solution 3 for ICP TraceCERT®, in 5% nitric acid

Oxalate Standard for IC TraceCERT®, 1000 mg/L oxalate in water, 1000 mg/L oxalate in water, prepared with sodium oxalate and water, filtered through a 0.2 µm membrane filter and stabilized with sodium azide

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

Phosphorus Standard for ICP TraceCERT®, 1000 mg/L P in H₂O, 1000 mg/L P in water, prepared with high purity H₃PO₄ and water

1 component: Cyanides (CN-) 1000 mg/l in Sodium Hydroxide 2%, 100 ml

Acetate IC Standard Solution, ROTI®Star, 1000 mg/l CH3COO-

Adipate Standard for IC TraceCERT®, 1000 mg/L adipate in water, 1000 mg/L adipate in water, prepared with adipic acid and water, filtered through a 0.2 µm membrane filter and stabilized with sodium azide

Aluminium standard solution 10 mg Al/l Al with 4 ml nitric acid 65 %/l dissolved in water according to DIN ISO 10566:1999, DEV E30

ALUMINIUM-STANDARDLÖSUNG FÜR DIE AAS 1 MG/ML AL IN 0,500 ML

Aluminum Standard for ICP TraceCERT®, 10,000 mg/L Al in nitric acid, 10′000 mg/L Al in 5% nitric acid, prepared with high purity Al(NO₃)₃ · 9H₂O, HNO₃ and water

Ammonium as N IC Standard Solution, ROTI®Star, 1000 mg/l NH4+(N)

Ammonium IC Standard Solution, ROTI®Star, 1000 mg/l NH4+

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

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

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

Ammonium Standard Solution, CRM traceable to SRM from NIST 0.400 mg/l NH4-N in H2O

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

Anion multi standard solution, 3 anions in water

Anion Multi-element stand. (IC) 6 anions, ROTI®Star 6 anions, 10 mg/l, (F-, Cl-, Br-, NO3-, PO43-, SO42-) in water

Anion Multi-element standard (IC), ROTI®Star 3 anions, concentration in mg/l, (ClO3- 10mg/l, ClO2- 2mg/l, BrO3- 2mg/l) in water

Anion Multi-element standard (IC), ROTI®Star 5 anions, concentration in mg/l, Cl- (50), NO2- (100), NO3- (100), PO43- (100), SO42- (50) in water

Anion Multi-element standard (IC), ROTI®Star 7 anions, concentration in mg/l, (F- 1000mg/l, Cl- 1000mg/l, Br- 200mg/l, N(NO2-) 1000mg/l, N(NO3-) 200mg/l, P(PO4-) 1000mg/l, SO43- 1000mg/l) in Water

Anion Multi-element standard (IC), ROTI®Star 7 anions, concentration in mg/l, (F- 100mg/l , Cl- 1000mg/l , Br- 100mg/l , NO3- 1000mg/l , NO2- 100mg/l , PO43- 100mg/l , SO42- 1000mg/l) in water

Anion Multi-element standard (IC), ROTI®Star 7 anions, concentration in mg/l, (F- 10mg/l , Cl- 100mg/l , Br- 10mg/l , NO2- 10mg/l , NO3- 10mg/l , PO43- 10mg/l , SO42- 100mg/l) in water

Anion Multi-element standard (IC), ROTI®Star 7 anions, concentration in mg/l, (F- 5mg/l , Cl- 10mg/l , Br- 25mg/l , NO2- 15mg/l , NO3- 25mg/l , PO43- 40mg/l , SO42- 30mg/l) in water

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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

Formate Standard for IC TraceCERT®, 1000 mg/L formate in water, 1000 mg/L formate in water, prepared with calcium formate and water, filtered through a 0.2
µ
m membrane filter and stabilized with sodium azide

Butyrate Standard for IC TraceCERT®, 1000 mg/L butyrate in water, 1000 mg/L butyrate in water, prepared with sodium butyrate and water, filtered through a 0.2
µ
m membrane filter and stabilized with sodium azide

Lactate Standard for IC TraceCERT®, 1000 mg/L lactate in water, 1000 mg/L lactate in water, prepared with magnesium L-lactate hydrate and water, filtered through a 0.2
µ
m membrane filter and stabilized with sodium azide

Oxalate Standard for IC TraceCERT®, 1000 mg/L oxalate in water, 1000 mg/L oxalate in water, prepared with sodium oxalate and water, filtered through a 0.2
µ
m membrane filter and stabilized with sodium azide

Adipate Standard for IC TraceCERT®, 1000 mg/L adipate in water, 1000 mg/L adipate in water, prepared with adipic acid and water, filtered through a 0.2
µ
m membrane filter and stabilized with sodium azide