Reagents for the Determination of Nitrogen acc. to Kjeldahl | Determination of Nitrogen according to Kjeldahl | Analysis of Food | Inorganic & Analytical Reagents | Chemicals

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Potassium sulphate, 1 kg

≥99 %, p.a., ACS, ISO

Art. No. P022.2

€84.95 / 1 kg

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Ammonium sulphate, 25 kg

≥99,5 %, p.a., ACS, ISO

di-Ammoniumsulphate

Art. No. 3746.5

€424.65 / 25 kg

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Boric acid, 1 kg

≥99,8 %, p.a., ACS, ISO

Art. No. 6943.1

€58.60 / 1 kg

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Hydrochloric acid, 1 l, plastic

0,1 mol/l - 0,1 N, volumetric standard solution

HCl, Hydrogen chloride

Art. No. K024.1

€25.70 / 1 l

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Sulphuric acid, 1 l, plastic

0,05 mol/l - 0,1 N, volumetric standard solution

Art. No. K026.1

€24.65 / 1 l

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Sulphuric acid, 1 l

0,1 mol/l - 0,2 N, volumetric standard solution

Art. No. N072.1

€24.65 / 1 l

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D(+)-Saccharose, 1 kg, plastic

≥99,5 %, Ph. Eur.

D-Sucrose

Art. No. 4661.1

€24.65 / 1 kg

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Water, 5 l

ROTIPURAN^® p.a., ACS

Water ISO quality 2

Art. No. T172.3

€42.90 / 5 l

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Sulphuric acid, 1 l

ROTIPURAN^® 98 %, for nitrogen determination

Art. No. X945.1

€40.35 / 1 l

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Boric acid solution, 10 l

4 %, p.a.

Art. No. HN24.3

€84.40 / 10 l

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Copper(II) sulphate pentahydrate, 2.5 kg

≥99,5 %, p.a., ACS, ISO

Coppervitriole

Art. No. P024.3

€117.20 / 2.5 kg

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Sodium hydroxide solution, 5 l

ROTIPURAN^® ≥32 %, p.a.

Art. No. T196.3

€116.65 / 5 l

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Sodium hydroxide, 1 kg

≥98 %, p.a., ISO, in pellets

Art. No. 6771.1

€42.90 / 1 kg

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Mixed indicator 5

for ammonia titration

Art. No. T125.1

€96.65 / 250 ml

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Tashiro’s indicator solution

0,75 g/l methyl red sodium salt + 0,375 g/l methylene blue in ethanol 50 % (v/v), denatured

Art. No. 2624.1

€22.05 / 250 ml

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Bromocresol green, 25 g

ACS

BCG, 3,3',5,5'-Tetrabrom-m-cresolsulfonphthalein

Art. No. T115.4

€114.50 / 25 g

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L-Lysine hydrochloride, 1 kg

≥98,5 %, Ph. Eur., USP, JP, for biochemistry

2,6-Diaminohexanoic acid hydrochloride, H-L-Lys-OH · HCl

Art. No. 9357.2

€177.40 / 1 kg

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Methyl red (C. I. 13020), 25 g

p.a., ACS

2-[(4-Dimethylamino)-phenylazo]-benzoic acid

Art. No. T120.2

€36.05 / 25 g

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L-Tryptophan, 100 g, plastic

≥98,5 %, Ph. Eur., for biochemistry

H-L-Trp-OH, 2-Amino-3-(3-indolyl)propionic acid

Art. No. 4858.2

€89.15 / 100 g

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Sodium hydroxide solution

10 mol/l - 10 N, volumetric standard solution

Art. No. 1E2N.1

€37.55 / 500 ml

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Sulphuric acid, 2.5 l

ROTIPURAN^® 98 %, for nitrogen determination

Art. No. X945.2

€82.25 / 2.5 l

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Potassium sulphate, 1 kg

≥99 %, p.a., ACS, ISO

Art. No. P022.2

€84.95 / 1 kg

Go to product selection

Ammonium sulphate, 25 kg

≥99,5 %, p.a., ACS, ISO

di-Ammoniumsulphate

Art. No. 3746.5

€424.65 / 25 kg

Go to product selection

Boric acid, 1 kg

≥99,8 %, p.a., ACS, ISO

Art. No. 6943.1

€58.60 / 1 kg

Go to product selection

Hydrochloric acid, 1 l, plastic

0,1 mol/l - 0,1 N, volumetric standard solution

HCl, Hydrogen chloride

Art. No. K024.1

€25.70 / 1 l

Go to product selection

Sulphuric acid, 1 l, plastic

0,05 mol/l - 0,1 N, volumetric standard solution

Art. No. K026.1

€24.65 / 1 l

Go to product selection

Sulphuric acid, 1 l

0,1 mol/l - 0,2 N, volumetric standard solution

Art. No. N072.1

€24.65 / 1 l

Go to product selection

D(+)-Saccharose, 1 kg, plastic

≥99,5 %, Ph. Eur.

D-Sucrose

Art. No. 4661.1

€24.65 / 1 kg

Go to product selection

Water, 5 l

ROTIPURAN^® p.a., ACS

Water ISO quality 2

Art. No. T172.3

€42.90 / 5 l

Go to product selection

Sulphuric acid, 1 l

ROTIPURAN^® 98 %, for nitrogen determination

Art. No. X945.1

€40.35 / 1 l

Go to product selection

Boric acid solution, 10 l

4 %, p.a.

Art. No. HN24.3

€84.40 / 10 l

Go to product selection

Copper(II) sulphate pentahydrate, 2.5 kg

≥99,5 %, p.a., ACS, ISO

Coppervitriole

Art. No. P024.3

€117.20 / 2.5 kg

Go to product selection

Sodium hydroxide solution, 5 l

ROTIPURAN^® ≥32 %, p.a.

Art. No. T196.3

€116.65 / 5 l

Go to product selection

Sodium hydroxide, 1 kg

≥98 %, p.a., ISO, in pellets

Art. No. 6771.1

€42.90 / 1 kg

Go to product selection

Mixed indicator 5

for ammonia titration

Art. No. T125.1

€96.65 / 250 ml

Go to product selection

Tashiro’s indicator solution

0,75 g/l methyl red sodium salt + 0,375 g/l methylene blue in ethanol 50 % (v/v), denatured

Art. No. 2624.1

€22.05 / 250 ml

Go to product selection

Bromocresol green, 25 g

ACS

BCG, 3,3',5,5'-Tetrabrom-m-cresolsulfonphthalein

Art. No. T115.4

€114.50 / 25 g

Go to product selection

L-Lysine hydrochloride, 1 kg

≥98,5 %, Ph. Eur., USP, JP, for biochemistry

2,6-Diaminohexanoic acid hydrochloride, H-L-Lys-OH · HCl

Art. No. 9357.2

€177.40 / 1 kg

Go to product selection

Methyl red (C. I. 13020), 25 g

p.a., ACS

2-[(4-Dimethylamino)-phenylazo]-benzoic acid

Art. No. T120.2

€36.05 / 25 g

Go to product selection

L-Tryptophan, 100 g, plastic

≥98,5 %, Ph. Eur., for biochemistry

H-L-Trp-OH, 2-Amino-3-(3-indolyl)propionic acid

Art. No. 4858.2

€89.15 / 100 g

Go to product selection

Sodium hydroxide solution

10 mol/l - 10 N, volumetric standard solution

Art. No. 1E2N.1

€37.55 / 500 ml

Go to product selection

Sulphuric acid, 2.5 l

ROTIPURAN^® 98 %, for nitrogen determination

Art. No. X945.2

€82.25 / 2.5 l

Go to product selection

Potassium sulphate, 1 kg

≥99 %, p.a., ACS, ISO

Art. No. P022.2

€84.95 / 1 kg

Go to product selection

Ammonium sulphate, 25 kg

≥99,5 %, p.a., ACS, ISO

di-Ammoniumsulphate

Art. No. 3746.5

€424.65 / 25 kg

Go to product selection

Boric acid, 1 kg

≥99,8 %, p.a., ACS, ISO

Art. No. 6943.1

€58.60 / 1 kg

Go to product selection

Hydrochloric acid, 1 l, plastic

0,1 mol/l - 0,1 N, volumetric standard solution

HCl, Hydrogen chloride

Art. No. K024.1

€25.70 / 1 l

Go to product selection

Sulphuric acid, 1 l, plastic

0,05 mol/l - 0,1 N, volumetric standard solution

Art. No. K026.1

€24.65 / 1 l

Go to product selection

Sulphuric acid, 1 l

0,1 mol/l - 0,2 N, volumetric standard solution

Art. No. N072.1

€24.65 / 1 l

Go to product selection

D(+)-Saccharose, 1 kg, plastic

≥99,5 %, Ph. Eur.

D-Sucrose

Art. No. 4661.1

€24.65 / 1 kg

Go to product selection

Water, 5 l

ROTIPURAN^® p.a., ACS

Water ISO quality 2

Art. No. T172.3

€42.90 / 5 l

Go to product selection

Sulphuric acid, 1 l

ROTIPURAN^® 98 %, for nitrogen determination

Art. No. X945.1

€40.35 / 1 l

Go to product selection

Boric acid solution, 10 l

4 %, p.a.

Art. No. HN24.3

€84.40 / 10 l

Go to product selection

Copper(II) sulphate pentahydrate, 2.5 kg

≥99,5 %, p.a., ACS, ISO

Coppervitriole

Art. No. P024.3

€117.20 / 2.5 kg

Go to product selection

Sodium hydroxide solution, 5 l

ROTIPURAN^® ≥32 %, p.a.

Art. No. T196.3

€116.65 / 5 l

Go to product selection

Sodium hydroxide, 1 kg

≥98 %, p.a., ISO, in pellets

Art. No. 6771.1

€42.90 / 1 kg

Go to product selection

Mixed indicator 5

for ammonia titration

Art. No. T125.1

€96.65 / 250 ml

Go to product selection

Tashiro’s indicator solution

0,75 g/l methyl red sodium salt + 0,375 g/l methylene blue in ethanol 50 % (v/v), denatured

Art. No. 2624.1

€22.05 / 250 ml

Go to product selection

Bromocresol green, 25 g

ACS

BCG, 3,3',5,5'-Tetrabrom-m-cresolsulfonphthalein

Art. No. T115.4

€114.50 / 25 g

Go to product selection

L-Lysine hydrochloride, 1 kg

≥98,5 %, Ph. Eur., USP, JP, for biochemistry

2,6-Diaminohexanoic acid hydrochloride, H-L-Lys-OH · HCl

Art. No. 9357.2

€177.40 / 1 kg

Go to product selection

Methyl red (C. I. 13020), 25 g

p.a., ACS

2-[(4-Dimethylamino)-phenylazo]-benzoic acid

Art. No. T120.2

€36.05 / 25 g

Go to product selection

L-Tryptophan, 100 g, plastic

≥98,5 %, Ph. Eur., for biochemistry

H-L-Trp-OH, 2-Amino-3-(3-indolyl)propionic acid

Art. No. 4858.2

€89.15 / 100 g

Go to product selection

Sodium hydroxide solution

10 mol/l - 10 N, volumetric standard solution

Art. No. 1E2N.1

€37.55 / 500 ml

Go to product selection

Sulphuric acid, 2.5 l

ROTIPURAN^® 98 %, for nitrogen determination

Art. No. X945.2

€82.25 / 2.5 l

Go to product selection

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