Kjeldahl solutions
From CHEMSOLUTE®
29.07.2024
Lab
Order top reagent solutions from the Th. Geyer brand CHEMSOLUTE® now!
The nitrogen analysis method developed by Johan Kjeldahl back in 1883 is still regarded as the reference method in food, feed, water and environmental analysis today. CHEMSOLUTE® has the right reagents of the highest quality in its range for successful and efficient nitrogen determination using the Kjeldahl method.
The comprehensive product range from the Th. Geyer brand trio BIOSOLUTE®, CHEMSOLUTE® and LABSOLUTE® combines high quality and attractive prices. This means you are always on the safe side and can optimise your laboratory processes.
You can rely on the CHEMSOLUTE® range of reagents for precise and reliable analyses.
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| Description | Quantity | Art. no. |
|---|---|---|
| Boric acid solution 1 % with indicator | 5 l | 2557-5L |
| 20 l | 2557-20L | |
| Boric acid 2 % without indicator | 5 l | 2544-5L |
| 10 l | 2544-10L | |
| 25 l | 2544-25L | |
| Boric acid solution 3 % without indicator | 5 l | 2555-5L |
| Boric acid solution 4 % without indicator | 5 l | 2545-5L |
| Boric acid z. A., ACS, ISO, Ph. Eur. 1 (min. 99.8 %) | 1 kg | 2563-1KG |
| 2,5 kg | 2563-2.5KG | |
| Hydrogen peroxide pure, Ph. Eur., Ph. Nord. (stabilised) (min. 30 % w/w) | 1 l | 476-1L-PE |
| 2,5 l | 476-2.5L-PE | |
| Hydrogen peroxide (stabilised) (min. 30 % w/w) | 1 l | 437-1L-PE |
| Kjeldahl tablets C (potassium sulphate 5.0 g/ copper(II) sulphate x 5 H₂O 0.1 g) | 1000 Tab | 11646982 |
| Kjeldahl tablets CK (potassium sulphate 3.5 g/copper(II) sulphate x 5 H₂O 0.4 g) | 1000 Tab | 12313159 |
| Kjeldahl tablets CX (potassium sulphate 5.0 g/copper(II) sulphate x 5 H₂O 0.5 g) | 1000 Tab | 11646984 |
| Kjeldahl tablets Hg/Se-free (potassium sulphate 1.115 g/sodium sulphate 3.455 g/copper(II) sulphate 0.09 g/titanium dioxide 0.14 g/tableting aid 0.15 g | 1000 Tab | 12313472 |
| Kjeldahl Missouri tablets (potassium sulphate 4.98 g/copper(II) sulphate x 5 H₂O 0.02 g) | 1000 Tab | 11647000 |
| Kjeldahl tablets NACT (sodium sulphate 1.0 g/copper(II) sulphate x 5 H₂O 0.03 g/titanium dioxide 0.03 g ) | 1000 Tab | 11646996 |
| Kjeldahl tablets S (potassium sulphate 5.0 g/selenium 0.005 g) | 1000 Tab | 11646978 |
| Potassium sulphate z. A., ACS, ISO, Ph. Eur. (min. 99.0 %) | 1 kg | 1697-1KG |
| 5 kg | 1697-5KG | |
| Sodium hydroxide solution (for nitrogen determination according to Kjeldahl) 32 - 33 % w/w | 1 l | 1304-1L-PE |
| 2,5 l | 1304-2.5L-PE | |
| 5 l | 1304-5L | |
| 10 l | 1304-10L | |
| 20 l | 1304-20L | |
| 25 l | 1304-25L | |
| 800 l | 1304-800L-IBC | |
| Sodium sulphate anhydrous, ACS (granules) (min. 99.0 %) | 1 kg | 12000518 |
| 5 kg | 12000543 | |
| Sodium sulphate anhydrous, ACS (powder) (min. 99.0 %) | 1 kg | 12000494 |
| Sodium sulphate decahydrate z. A., ACS (min. 99.0 %) | 1 kg | 1384-1KG |
| 5 kg | 1384-5KG | |
| Sulphuric acid, suitable for N-determination according to Kjeldahl (min. 97.0 %) | 2,5 l | 822-2.5L |
| Sulphuric acid z. A., ISO, Reag. Ph. Eur. (suitable for nitrogen determination according to Kjeldahl) (min. 95.0 %) | 2,5 l | 890-2.5L-PE |
