Kjeldahl Buffers and Reagents

TKN Digestion Reagent with Copper Sulfate, Reagents

Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: Total Kjeldahl Nitrogen Digestion Reagent IUPAC Name: water SMILES: O

FisherTab™ TT-43 Kjeldahl Tablets, Fisher Chemical

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

Sodium Hydroxide, For Kjeldahl Nitrogen, Certified, 40.0% (w/w) ±0.4% (w/w), LabChem™

Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: Caustic Soda PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]

BUCHI Activated Charcoal, 150 g

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For the adsorption stage of the scrubber, holds back particles and enables the aerosols to recondensate.

BUCHI Boric Acid with Sher Indicator, pH 4.65

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Boric Acid with Sher Indicator, pH adjusted to 4.65 ± 0.15 for pH or colorimetric titration.

Sulfuric Acid, 0.1142 N, Ricca Tightrant™

Molecular Formula: H2O4S Molecular Weight (g/mol): Mixture MDL Number: MFCD00064589 InChI Key: QAOWNCQODCNURD-UHFFFAOYSA-N PubChem CID: 1118 ChEBI: CHEBI:26836 IUPAC Name: sulfuric acid SMILES: OS(O)(=O)=O

Hydrochloric Acid, 0.1142 N, for Kjeldahl Analysis of Proteins, Ricca Tightrant™

Molecular Formula: ClH Molecular Weight (g/mol): Mixture MDL Number: MFCD00011324 MFCD00792839 InChI Key: VEXZGXHMUGYJMC-UHFFFAOYSA-N PubChem CID: 313 ChEBI: CHEBI:17883 IUPAC Name: hydrogen chloride SMILES: Cl

Salicylate/Nitroprusside Solution, EPA for Kjeldahl Nitrogen Determination, Ricca Chemical

KjTabs VST - Kjeldahl Catalyst Tablets, Velp Scientifica™

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KjTabsTM VST Kjeldahl Catalyst Tablets are ideal for oily and fatty samples. The perfect solutions to speed up the digestion process.

KjTabs VTCT - Kjeldahl Catalyst Tablets, Velp Scientifica™

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KjTabsTM VTCT Kjeldahl Catalyst Tablets are ideal for tougher samples. The perfect solutions to speed up the digestion process.

KjTabs VCT - Kjeldahl Catalyst Tablets, Velp Scientifica™

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Small and/or specialty supplier based on Federal laws and SBA requirements.
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KjTabsTM VCT Kjeldahl Catalyst Tablets are ideal for tougher samples. The perfect solutions to speed up the digestion process.

KjTabs VW - Kjeldahl Catalyst Tablets, Velp Scientifica™

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Small and/or specialty supplier based on Federal laws and SBA requirements.
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KjTabsTM VW Kjeldahl Catalyst Tablets are ideal for applications based on the Wieninger method. The perfect solutions to speed up the digestion of your samples.

Nitrogen Receiver Solution, Reagents

Nitrogen Receiver Solution, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Sodium Hydroxide, 50% (w/w) Nitrogen-Free, Suitable for Kjeldahl Nitrogen Analysis, Reagents

Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: Lye, Caustic soda IUPAC Name: water SMILES: O

Kjeldahl Solution, 40% Sodium Hydroxide/8% Sodium Thiosulfate, Reagents

Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: Nitrogen IUPAC Name: water SMILES: O