Kjeldahl Reagents

FisherTab™ CT-37 Kjeldahl Tablets, Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Composition per tablet: 3.5g K2SO4 + 0.4g CuSO4

Kjel-Sorb™ Solution (Certified), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Kjel-Sorb™ Solution CAS: 10043-35-3 Purity Grade: Certified Grade MDL Number: MFCD00011337

FisherTab™ TT-35 Kjeldahl Tablets, Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Composition per tablet: 3.5g K2SO4 + 0.1g CuSO4 + 0.1g TiO2

FisherTab™ TT-50 Kjeldahl Tablets, Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Composition per tablet: 5g K2SO4 + 0.1g CuSO4 + 0.15g TiO2

FisherTab™ CT-50 Kjeldahl Tablets, Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Composition per tablet: 5g K2SO4 + 0.15g CuSO4

FisherTab CT-AUTO Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 1.5g K2SO4 + 0.15g CuSO4

FisherTab™ ST-AUTO Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 1.5g K2SO4 + 0.015g Se

FisherTab™ ST-35 Kjeldahl Tablets, Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Composition per tablet: 3.5g K2SO4 + 0.35g Se

FisherTab™ MT-AUTO Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 1.5g K2SO4 + 0.075g HgO

Kjeltabs Cu-3.5, Foss™

Chemical Name or Material: Copper Kjeltabs CAS: 7758-99-8 Physical Form: Flat Round Speckled Tablets

Digestion Reagent, with Copper Catalyst, Ricca Chemical

For Analysis of Nitrogen (Kjeldahl)

Sodium Hydroxide-Thiosulfate, 50%-2.5% (w/v) Aqueous Solution, for Kjeldahl Nitrogen Analysis using Copper Catalyst, Ricca Chemical

Chemical Name or Material: Sodium Hydroxide-Thiosulfate Solution CAS: 1310-73-2 CAS Min %: 49.0 CAS Max %: 50.0 CAS: 7732-18-5 CAS Min %: 48.29 CAS Max %: 50.26 CAS: 10102-17-7 CAS Min %: 1.21 CAS Max %: 1.26

Kjeltabs S-3.5, Foss™

Chemical Name or Material: Selenium Kjeltabs CAS: 7782-49-2 Physical Form: Flat Round Speckled Tablets

Boric Acid, 2% (w/v) Aqueous Solution with Mixed Indicator, for Ammonia and Kjeldahl Nitrogen Analysis, Ricca Chemical

Chemical Name or Material: Boric Acid CAS: 7732-18-5 CAS Min %: 95.0 CAS Max %: 98.0 CAS: 10043-35-3 CAS Min %: 1.89 CAS Max %: 1.97 CAS: 64-17-5 CAS Min %: 1.51 CAS Max %: 1.58 CAS: 7220-79-3 CAS Min %: 0.0016 CAS Max %: 0.0016 CAS: 845-10-3 CAS Min %: 7.0E-4 CAS Max %: 7.0E-4 CAS: 7732-18-5 Physical Form: Liquid

Kjeltabs Cu-1.5, Foss™

Chemical Name or Material: Copper Kjeltabs CAS: 7758-99-8 Physical Form: Flat Round Speckled Tablets

Hydrochloric Acid, 0.1142 Normal, for Kjeldahl Analysis of Proteins, Ricca Chemical

Chemical Name or Material: Hydrochloric Acid CAS: 7647-01-0 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 7732-18-5 CAS Min %: 1.08 CAS Max %: 1.13 Physical Form: Liquid

Sodium Hydroxide, For Kjeldahl Nitrogen, Certified, 40.0% (w/w) ±0.4% (w/w), LabChem™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sodium Hydroxide CAS: 1310-73-2 CAS Max %: 60 CAS: 7732-18-5 CAS Max %: 40 Name Note: For Kjeldahl Nitrogen Purity Grade: Certified Grade Linear Formula: NaOH Formula Weight: 40 UN Number: UN1824 Synonym: Caustic Soda

Kjeltabs CT (Copper and Titanium) - 5, Foss™

Composition per tablet: 5g K2SO4 + 0.15g CuSO4·5H2O + 0.15g TiO2

FisherTab™ MT-37 Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 3.5g K2SO4 + 0.175g HgO

FisherTab™ MT-50 Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 5g K2SO4 + 0.25g HgO

FisherTab™ TT-43 Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 4.18g K2SO4 + 0.0025g CuSO4 + 0.15g TiO2

FisherTab™ TT-57 Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 5.57g K2SO4 + 0.0033g CuSO4 + 0.2g TiO2

Sulfuric Acid, 0.1142 Normal, Suitable for Kjeldahl Nitrogen Analysis of Feed Grains, Ricca Chemical

Chemical Name or Material: Sulfuric Acid CAS: 7664-93-9 CAS Min %: 97.0 CAS Max %: 100.0 CAS: 7732-18-5 CAS Min %: 0.57 CAS Max %: 0.6 Physical Form: Liquid

Sodium Hydroxide-Sulfide, for Kjeldahl Nitrogen Analysis using Mercury Catalyst, Ricca Chemical

Chemical Name or Material: Sodium Hydroxide-Sulfide CAS: 1310-73-2 CAS Min %: 79.0 CAS Max %: 82.0 CAS: 7732-18-5 CAS Min %: 18.53 CAS Max %: 19.29 CAS: 39365-88-3 CAS Min %: 0.74 CAS Max %: 0.77 Physical Form: Liquid

Kjeltabs S-5, Foss™

Chemical Name or Material: Selenium Kjeltabs CAS: 7782-49-2 Physical Form: Flat Round Speckled Tablets

Kjeltabs Auto, Foss™

Chemical Name or Material: Selenium Kjeltabs CAS: 7782-49-2 Physical Form: Flat Round Speckled Tablets

FisherTab™ SST-35 Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 3.5g K2SO4 + 0.1g CuSeO3

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