Kjeldahl Buffers and Reagents

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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

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Specifications

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

FisherTab™ ST-AUTO Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 1.5g K₂SO₄ + 0.015g Se

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FisherTab™ TT-35 Kjeldahl Tablets, Fisher Chemical

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

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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+]

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Specifications

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

Kjeldahl Digestion Solution, Reagents

Kjeldahl Digestion Solution, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing and Availability
Specifications

Boiling Point	102°C
CAS	7732-18-5
Color	Colorless
Packaging	Poly Bottle
Physical Form	Liquid
Chemical Name or Material	Kjeldahl Digestion Solution
Grade	Reagent
Synonym	Nitrogen

Kjeldahl Digestion Reagent with Copper Sulfate, APHA 4500-N(org) B, Reagents

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

Pricing and Availability
Specifications

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

Sodium Salicylate Nitroprusside Solution, Reagents

Sodium Salicylate Nitroprusside Solution, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

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FisherTab™ ST-35 Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 3.5g K₂SO₄ + 0.35g Se

Pricing and Availability

FisherTab™ CT-50 Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 5g K₂SO₄ + 0.15g CuSO₄

Pricing and Availability

FisherTab™ TT-50 Kjeldahl Tablets, Fisher Chemical

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

Pricing and Availability

FisherTab™ CT-37 Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 3.5g K₂SO₄ + 0.4g CuSO₄

Pricing and Availability

FisherTab CT-AUTO Kjeldahl Tablets, Fisher Chemical

Composition per tablet: 1.5g K₂SO₄ + 0.15g CuSO₄

Pricing and Availability

FisherTab™ TT-43 Kjeldahl Tablets, Fisher Chemical

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

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BUCHI Kjeldahl Tablets

Digestion aids for nitrogen determination.

Pricing and Availability
Specifications

Percent Purity	Mixture
Packaging	Plastic Container
Quantity	1000 Pk.

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.

Pricing and Availability
Specifications

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

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