"REAGECON"
Colour Reference Solutions, Reag.Ph.Eur.
Supplier: REAGECON
Colour standard, Primary solution yellow (1 ml solution contains 45.0 mg FeCl₃.6H₂O) Reag. Ph. Eur., Glass bottle
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Conductivity standards, KCl, referenced at 25 °C
Supplier: REAGECON
These conductivity standards are aqueous and so avoid the problems of matrix errors and high temperature dependency of nonaqueous conductivity standards.
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EDTA disodium salt 0.01 mol/l (0.02 N) in aqueous solution
Supplier: REAGECON
EDTA disodium salt 0.01 mol/l (0.02 N) in aqueous solution
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Potassium chloride 3 mol/l (3 N) in aqueous solution
Supplier: REAGECON
Potassium chloride 3 mol/l (3 N) in aqueous solution
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Perchloric acid 0.1 mol/l (0.1 N) in aqueous solution Reag. Ph. Eur. 3003900
Supplier: REAGECON
Perchloric acid 0.1 mol/l (0.1 N) in aqueous solution Reag. Ph. Eur. 3003900
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Sodium hydroxide 0.1 mol/l (0.1 N) in aqueous solution volumetric solution
Supplier: REAGECON
Sodium hydroxide 0.1 mol/l (0.1 N) in aqueous solution volumetric solution
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Redox standards
Supplier: REAGECON
The potentials quoted are of platinum electrode with reference to Ag/AgCl (3 M KCl).
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Sodium hydroxide 0.1 mol/l (0.1 N) in aqueous solution volumetric solution low in carbonate
Supplier: REAGECON
Sodium hydroxide 0.1 mol/l (0.1 N) in aqueous solution volumetric solution low in carbonate
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Potassium bromate Reag. Ph. Eur. 3004200
Supplier: REAGECON
Potassium bromate Reag. Ph. Eur. 3004200
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Hydrochloric acid 25% Reag. Ph. Eur. 1043501
Supplier: REAGECON
Hydrochloric acid 25% Reag. Ph. Eur. 1043501
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Sodium thiosulphate 0.1 mol/l (0.1 N) in aqueous solution volumetric solution
Supplier: REAGECON
Sodium thiosulphate 0.1 mol/l (0.1 N) in aqueous solution volumetric solution
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Colour standard solutions, Pt-Co (Hazen)
Supplier: REAGECON
The products can be used to calibrate, control, qualify and validate colour measurement instruments.
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pH buffer solutions, colour coded
Supplier: REAGECON
Colour coded pH buffer solutions for the calibration of pH meters.
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Conductivity and resistivity standards, referenced at 20 °C
Supplier: REAGECON
A complete range of certified control standards with values ranging from 133 to 26,6 µS.
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Arsenic standard solution, for limit tests
Supplier: REAGECON
Concentrate to make arsenic standard solution (10 ppm as As) as outlined in Chapter 4 (4.1.2) of Ph. Eur.
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Sodium hydroxide 1 mol/l (1 N) in aqueous solution Reag. Ph. Eur. 3006300
Supplier: REAGECON
Sodium hydroxide 1 mol/l (1 N) in aqueous solution Reag. Ph. Eur. 3006300
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Supplier: VWR Chemicals
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Supplier: VWR Chemicals