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Kjeldahl Buffers and Reagents

Buffers and reagents intended for use with the Kjeldahl method; the Kjeldahl method is an analytical chemistry procedure used for the quantitative determination of nitrogen contained in organic substances, ammonia and ammonium.
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Keyword Search:
1 – 15 of 35 results
2

FisherTab™ TT-50 Kjeldahl Tablets, Fisher Chemical

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

3

FisherTab™ TT-43 Kjeldahl Tablets, Fisher Chemical

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

7

FisherTab™ TT-35 Kjeldahl Tablets, Fisher Chemical

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

9
Promotions Available

Kjel-Sorb™ Solution (Certified), Fisher Chemical™

Molecular Formula: BH3O3 Molecular Weight (g/mol): 61.83 MDL Number: MFCD00011337 InChI Key: KGBXLFKZBHKPEV-UHFFFAOYSA-N PubChem CID: 7628 ChEBI: CHEBI:33118 IUPAC Name: boric acid SMILES: OB(O)O

PubChem CID 7628
Molecular Weight (g/mol) 61.83
ChEBI CHEBI:33118
MDL Number MFCD00011337
SMILES OB(O)O
IUPAC Name boric acid
InChI Key KGBXLFKZBHKPEV-UHFFFAOYSA-N
Molecular Formula BH3O3
10

BUCHI Activated Charcoal, 150 g

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

11

BUCHI Kjeldahl Tablets

Digestion aids for nitrogen determination.

Percent Purity Mixture
Packaging Plastic Container
Quantity 1000 Pk.
12

BUCHI Boric Acid with Sher Indicator, pH 4.65

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

CAS 76-60-8
Molecular Weight (g/mol) 61.83
Packaging Plastic Bottle
Quantity 5 L
Chemical Name or Material Boric Acid with Sher Indicator
Synonym Orthoboric Acid
Molecular Formula BH3O3
13

Digestion Reagent, with Copper Catalyst, Ricca Chemical

For Analysis of Nitrogen (Kjeldahl)

Name Note With Copper Catalyst
CAS 7758-99-8
Color Blue
Packaging Natural Poly Bottle
CAS Min % 23.95
Physical Form Liquid
Chemical Name or Material Digestion Reagent
Grade Laboratory
CAS Max % 0.53
14

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

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

PubChem CID 313
Molecular Weight (g/mol) Mixture
ChEBI CHEBI:17883
MDL Number MFCD00011324 MFCD00792839
SMILES Cl
IUPAC Name hydrogen chloride
InChI Key VEXZGXHMUGYJMC-UHFFFAOYSA-N
Molecular Formula ClH
15

Sodium Hydroxide-Thiosulfate, 50%-2.5% (w/v), Ricca Chemical

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

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