Volumetric standards (buffers)

Kjeldahl tablets

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Save time during your Kjeldahl determination. No time-consuming self-manufacturing by using the practical ready-to-use Kjeldahl tablets from CHEMSOLUTE®.
They already contain the right amount of potassium- and sodium sulphate for the corresponding determination method....

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Sodium thiosulfate solution 0.1 mol/l (0.1 N)

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Hydrochloric acid 0.1 mol/l (0.1 N)

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Sodium hydroxide solution 1.0 mol/l (1.0 N)

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Iodine solution 0.05 mol/l (0.1 N), traceable to SRM 136f NIST

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Potassium hydroxide solution in ethanol 0.1 mol/l (0.1 N)

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Potassium permangante solution 0.02 mol/l (0.1 N)

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Hydrochloric acid for 1000 ml volumetric solution c(HCl) 0.1 mol/l (0.1 N)

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Sulfuric acid 0.05 mol/l (0.1 N)

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Sodium hydroxide solution 0.5 mol/l (0.5 N)

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Potassium hydroxide solution in ethanol 0.5 mol/l (0.5 N) acc. to ASTM D-94, D-128

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Silver nitrate solution 0.1 mol/l (0.1 N)

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EDTA Disodium salt solution for 1000 ml volumetric solution c(Na2-EDTA X 2 H2O) 0.1 mol/l (0.2N)

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Sodium hydroxide solution 2.0 mol/l (2.0 N)

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Potassium permanganate solution for 1000 ml volumetric solution c(KMnO4) 0.02 mol/l (0.1 N)

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Sodium hydroxide solution for 1000 ml volumetric solution c(NaOH) 0.1 mol/l (0.1 N)

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Sodium thiosulfate solution for 1000 ml volumetric solution c(Na2S2O3) 0.1 mol/l (0.1 N)

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EDTA disodium salt solution 0.1 mol/l (0.2 N), traceable to SRM 682 NIST

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Sulfuric acid for 1000 ml volumetric solution c (H2SO4) 0.05 mol/l (0.1 N)

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Potassium hydroxide solution for 1000 ml volumetric solution c(KOH) 0.1 mol/l (0.1 N)

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Ammonium thiocyanate solution for 1000 ml volumetric solution c(NH4SCN) 0.1 mol/l (0.1 N)

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Potassium bromate solution for 1000 ml volumetric solution c(KBrO3) 1/60 mol/l (0.1 N)

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Sodium hydroxide solution 0.1 mol/l (0.1 N)

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Hydrochloric acid for 1000 ml volumetric solution c(HCl) 1 mol/l (1 N)

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Iodine solution for 1000 ml volumetric solution c(I2) 0.05 mol/l (0.1 N) (Iodine/Iodide)

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Sodium hydroxide solution 0.25 mol/l (0.25N)

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Hydrochloric acid 6.0 mol/l (6.0 N) traceable to SRM 84L NIST

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Iodide-iodate solution for 1000 ml volumetric solution c(I₂) 1/128 mol/l (1/64 N)

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Hydrochloric acid 4 mol/l (4.0 N) certified by ISO 17025

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Potassium hydroxide solution 0.1 mol/l (0.1 N)

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Sodium hydroxide solution for 1000 ml volumetric solution c(NaOH) 0.5 mol/l (0.5 N)

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Hydrochloric acid 0.5 mol/l (0.5 N)

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Hydrochloric acid 1.0 mol/l acc. Ph. Eur. chapter 4.2.2 (1.0 N) - EP ref. no. 3001800

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Acetic acid for 1000 ml volumetric solution c (CH₃COOH) 1 mol/l (1 N)

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Sodium thiosulfate solution for 1000 ml volumetric solution c(Na2S2O3) 0.01 mol/l (0.01 N)

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Acetic acid for 1000 ml volumetric solution c (CH3COOH) 0.1 mol/l (0.1 N)

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Carrez II - Solution for the determination of sugar and starch according to VDLUFA Volume III

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Sodium hydroxide solution 1.0 mol/l acc. Ph. Eur. chapter 4.2.2 (1.0 N) - EP ref. no. 3006300

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Nitric acid for 1000 ml volumetric solution c (HNO₃) 1 mol/l (1 N)

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Carrez I - Solution for the determination of sugar and starch according to VDLUFA Volume III

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Sulphuric acid 0.13 mol/l (0.26 N)

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Sodium thiosulfate solution 0.01 mol/l (0.01 N)

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Hydrochloric acid 0.01 mol/l (0.01 N)

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Oxalic acid 0.05 mol/l (0.1 N)

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Iodine solution 0.1 mol/l (0.2 N) acc. to Hanus, traceable to SRM 136f NIST

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Sulfuric acid for 1000 ml volumetric solution c (H2SO4) 0.5 mol/l (1 N)

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NDF solution (neutral detergent solution) for the determination ofneutral-detergent fibre according to VDLUFA Volume III

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Sodium hydroxide solution for 1000 ml volumetric solution c(NaOH) 0.01 mol/l (0.01 N)

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Sodium hydroxide solution 0.01 mol/l (0.01 N)

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Hydrochloric acid 3.0 mol/l (3.0 N)

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Ihr Kontakt zu Th. Geyer

Volumetric standards (buffers)

Kjeldahl tablets

Sodium thiosulfate solution 0.1 mol/l (0.1 N)

Hydrochloric acid 0.1 mol/l (0.1 N)

Sodium hydroxide solution 1.0 mol/l (1.0 N)

Iodine solution 0.05 mol/l (0.1 N), traceable to SRM 136f NIST

Potassium hydroxide solution in ethanol 0.1 mol/l (0.1 N)

Potassium permangante solution 0.02 mol/l (0.1 N)

Hydrochloric acid for 1000 ml volumetric solution c(HCl) 0.1 mol/l (0.1 N)

Sulfuric acid 0.05 mol/l (0.1 N)

Sodium hydroxide solution 0.5 mol/l (0.5 N)

Potassium hydroxide solution in ethanol 0.5 mol/l (0.5 N) acc. to ASTM D-94, D-128

Silver nitrate solution 0.1 mol/l (0.1 N)

EDTA Disodium salt solution for 1000 ml volumetric solution c(Na2-EDTA X 2 H2O) 0.1 mol/l (0.2N)

Sodium hydroxide solution 2.0 mol/l (2.0 N)

Potassium permanganate solution for 1000 ml volumetric solution c(KMnO4) 0.02 mol/l (0.1 N)

Sodium hydroxide solution for 1000 ml volumetric solution c(NaOH) 0.1 mol/l (0.1 N)

Sodium thiosulfate solution for 1000 ml volumetric solution c(Na2S2O3) 0.1 mol/l (0.1 N)

EDTA disodium salt solution 0.1 mol/l (0.2 N), traceable to SRM 682 NIST

Sulfuric acid for 1000 ml volumetric solution c (H2SO4) 0.05 mol/l (0.1 N)

Potassium hydroxide solution for 1000 ml volumetric solution c(KOH) 0.1 mol/l (0.1 N)

Ammonium thiocyanate solution for 1000 ml volumetric solution c(NH4SCN) 0.1 mol/l (0.1 N)

Potassium bromate solution for 1000 ml volumetric solution c(KBrO3) 1/60 mol/l (0.1 N)

Sodium hydroxide solution 0.1 mol/l (0.1 N)

Hydrochloric acid for 1000 ml volumetric solution c(HCl) 1 mol/l (1 N)

Iodine solution for 1000 ml volumetric solution c(I2) 0.05 mol/l (0.1 N) (Iodine/Iodide)

Sodium hydroxide solution 0.25 mol/l (0.25N)

Hydrochloric acid 6.0 mol/l (6.0 N) traceable to SRM 84L NIST

Iodide-iodate solution for 1000 ml volumetric solution c(I₂) 1/128 mol/l (1/64 N)

Hydrochloric acid 4 mol/l (4.0 N) certified by ISO 17025

Potassium hydroxide solution 0.1 mol/l (0.1 N)

Sodium hydroxide solution for 1000 ml volumetric solution c(NaOH) 0.5 mol/l (0.5 N)

Hydrochloric acid 0.5 mol/l (0.5 N)

Hydrochloric acid 1.0 mol/l acc. Ph. Eur. chapter 4.2.2 (1.0 N) - EP ref. no. 3001800

Acetic acid for 1000 ml volumetric solution c (CH₃COOH) 1 mol/l (1 N)

Sodium thiosulfate solution for 1000 ml volumetric solution c(Na2S2O3) 0.01 mol/l (0.01 N)

Acetic acid for 1000 ml volumetric solution c (CH3COOH) 0.1 mol/l (0.1 N)

Carrez II - Solution for the determination of sugar and starch according to VDLUFA Volume III

Sodium hydroxide solution 1.0 mol/l acc. Ph. Eur. chapter 4.2.2 (1.0 N) - EP ref. no. 3006300

Nitric acid for 1000 ml volumetric solution c (HNO₃) 1 mol/l (1 N)

Carrez I - Solution for the determination of sugar and starch according to VDLUFA Volume III

Sulphuric acid 0.13 mol/l (0.26 N)

Sodium thiosulfate solution 0.01 mol/l (0.01 N)

Hydrochloric acid 0.01 mol/l (0.01 N)

Oxalic acid 0.05 mol/l (0.1 N)

Iodine solution 0.1 mol/l (0.2 N) acc. to Hanus, traceable to SRM 136f NIST

Sulfuric acid for 1000 ml volumetric solution c (H2SO4) 0.5 mol/l (1 N)

NDF solution (neutral detergent solution) for the determination ofneutral-detergent fibre according to VDLUFA Volume III

Sodium hydroxide solution for 1000 ml volumetric solution c(NaOH) 0.01 mol/l (0.01 N)

Sodium hydroxide solution 0.01 mol/l (0.01 N)

Hydrochloric acid 3.0 mol/l (3.0 N)

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