accessibility menu, dialog, popup

UserName
Viewing profile as user:

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.
Quantity 
  • (7)
  • (4)
  • (1)
  • (7)
  • (3)
  • (13)
  • (7)
  • (1)
  • (6)
  • (14)
  • (2)
  • (4)
Physical Form 
  • (3)
  • (30)
  • (4)
  • (6)
Grade 
  • (7)
  • (19)
  • (12)
Molecular Weight (g/mol) 
  • (1)
  • (4)
  • (2)
  • (5)
  • (4)
  • (13)
Percent Purity 
  • (1)
  • (5)
  • (1)
  • (3)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

category

special offers

  • (10)

brands

  • (1)
  • (1)
  • (1)
  • (6)
  • (1)
  • (12)
  • (3)
  • (1)
  • (1)
  • (5)
  • (1)
  • (8)
  • (19)
  • (1)
  • (1)
  • (2)
  • (2)
  • (1)
  • (7)

special interests

  • (1)
  • (1)
  • (7)

Quantity

  • (7)
  • (4)
  • (1)
  • (7)
  • (3)
  • (13)
  • (7)
  • (1)
  • (6)
  • (14)
  • (2)
  • (4)

Physical Form

  • (3)
  • (30)
  • (4)
  • (6)

Grade

  • (7)
  • (19)
  • (12)

Molecular Weight (g/mol)

  • (1)
  • (4)
  • (2)
  • (5)
  • (4)
  • (13)

Percent Purity

  • (1)
  • (5)
  • (1)
  • (3)

Color

  • (7)

Search Within Results
Keyword Search:
1 – 15 of 69 results
1
Promotions Available

FisherTab™ TT-35 Kjeldahl Tablets, Fisher Chemical

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

EDGE
2
Promotions Available

FisherTab™ CT-37 Kjeldahl Tablets, Fisher Chemical
GSA_VA

Composition per tablet: 3.5g K2SO4 + 0.4g CuSO4

3
Promotions Available

FisherTab™ CT-50 Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 5g K2SO4 + 0.15g CuSO4

4
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
5
Promotions Available

FisherTab™ ST-35 Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 3.5g K2SO4 + 0.35g Se

6
Promotions Available

FisherTab™ TT-43 Kjeldahl Tablets, Fisher Chemical

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

7
Promotions Available

FisherTab™ ST-AUTO Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 1.5g K2SO4 + 0.015g Se

8

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
Quantity 5 L
Chemical Name or Material Boric Acid with Sher Indicator
Synonym Orthoboric Acid
Molecular Formula BH3O3
9

BUCHI Activated Charcoal, 150 g
SDP

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

10

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+]

PubChem CID 14798
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
11

BUCHI Kjeldahl Tablets
SDP

Digestion aids for nitrogen determination.

Percent Purity Mixture
Packaging Plastic Container
Quantity 1000 Pk.
12

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
13

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

PubChem CID 1118
Molecular Weight (g/mol) Mixture
ChEBI CHEBI:26836
MDL Number MFCD00064589
SMILES OS(O)(=O)=O
IUPAC Name sulfuric acid
InChI Key QAOWNCQODCNURD-UHFFFAOYSA-N
Molecular Formula H2O4S
14

Boric Acid, 2% (w/v) with Mixed Indicator, Ricca Chemical

Molecular Formula: BH3O3 Molecular Weight (g/mol): Mixture MDL Number: MFCD00011337 InChI Key: KGBXLFKZBHKPEV-UHFFFAOYSA-N Synonym: orthoboric acid,boracic acid,borofax,boron hydroxide,boron trihydroxide,three elephant,basilit b,Tris-borate-EDTA,h3bo3,flea prufe PubChem CID: 7628 ChEBI: CHEBI:33118 IUPAC Name: boric acid SMILES: OB(O)O

PubChem CID 7628
Molecular Weight (g/mol) Mixture
ChEBI CHEBI:33118
MDL Number MFCD00011337
SMILES OB(O)O
Synonym orthoboric acid,boracic acid,borofax,boron hydroxide,boron trihydroxide,three elephant,basilit b,Tris-borate-EDTA,h3bo3,flea prufe
IUPAC Name boric acid
InChI Key KGBXLFKZBHKPEV-UHFFFAOYSA-N
Molecular Formula BH3O3
15

KjTabs VTCT - Kjeldahl Catalyst Tablets, Velp™

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