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Kjeldahl Buffers and Reagents

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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1 – 15 of 70 results
1

FisherTab™ CT-37 Kjeldahl Tablets, Fisher Chemical
GSA_VA

Composition per tablet: 3.5g K2SO4 + 0.4g CuSO4

EDGE
2

FisherTab™ MT-37 Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 3.5g K2SO4 + 0.175g HgO

EDGE
3

FisherTab™ TT-43 Kjeldahl Tablets, Fisher Chemical

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

EDGE
4

FisherTab™ ST-AUTO Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 1.5g K2SO4 + 0.015g Se

EDGE
5

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

CAS: 10043-35-3 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

EDGE
PubChem CID 7628
CAS 10043-35-3
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
6

FisherTab™ TT-35 Kjeldahl Tablets, Fisher Chemical

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

8

FisherTab™ TT-50 Kjeldahl Tablets, Fisher Chemical

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

9

FisherTab CT-AUTO Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 1.5g K2SO4 + 0.15g CuSO4

11

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

CAS: 7732-18-5 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+]

PubChem CID 14798
CAS 7732-18-5
Molecular Weight (g/mol) 39.997
ChEBI CHEBI:32145
SMILES [OH-].[Na+]
Synonym Caustic Soda
IUPAC Name sodium;hydroxide
InChI Key HEMHJVSKTPXQMS-UHFFFAOYSA-M
Molecular Formula HNaO
12

BUCHI Boric Acid with Sher Indicator, pH 4.65
SDP

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
Chemical Name or Material Boric Acid with Sher Indicator
Quantity 5 L
Synonym Orthoboric Acid
Molecular Formula BH3O3
13

BUCHI Activated Charcoal, 150 g
SDP

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

14

BUCHI Kjeldahl Tablets
SDP

Digestion aids for nitrogen determination.

Percent Purity Mixture
Packaging Plastic Container
Quantity 1000 Pk.
15

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

CAS: 7647-01-0 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
CAS 7647-01-0
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