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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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31 – 45 of 69 results
31

Kjeldahl Solution (Dilute) 25% Sodium Hydroxide/1.25% Sodium Thiosulfate, Reagents

Kjeldahl Solution (Dilute) 25% Sodium Hydroxide/1.25% Sodium Thiosulfate, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Boiling Point 106°C
CAS 7732-18-5
Color Colorless
Physical Form Liquid
Chemical Name or Material Kjeldahl Solution (Dilute) 25% Sodium Hydroxide/1.25% Sodium Thiosulfate
Grade Reagent
Synonym Nitrogen
32

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

Molecular Weight (g/mol) 18.02
SMILES O
IUPAC Name water
InChI Key XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula H2O
33

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

Molecular Weight (g/mol) 18.02
SMILES O
Synonym Nitrogen
IUPAC Name water
InChI Key XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula H2O
34

Kjeldahl Solution, 50% Sodium Hydroxide/2.5% Sodium Thiosulfate, Reagents

Kjeldahl Solution, 50% Sodium Hydroxide/2.5% Sodium Thiosulfate, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Boiling Point 102°C
CAS 7732-18-5
Color Colorless
Physical Form Liquid
Chemical Name or Material Kjeldahl Solution, 50% Sodium Hydroxide/2.5% Sodium Thiosulfate
Synonym Nitrogen
Melting Point -7°C
35

Nitrogen Receiver Solution, Reagents

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

36

Sodium Salicylate Nitroprusside Solution, Reagents

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

37

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

Molecular Weight (g/mol) 18.02
SMILES O
Synonym Lye, Caustic soda
IUPAC Name water
InChI Key XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula H2O
38

Kjeldahl Solution, 40% Sodium Hydroxide/2.5% Sodium Thiosulfate, Reagents

Kjeldahl Solution, 40% Sodium Hydroxide/2.5% Sodium Thiosulfate, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Boiling Point 108°C
CAS 7732-18-5
Color Colorless
Physical Form Liquid
Chemical Name or Material Kjeldahl Solution, 40% Sodium Hydroxide/2.5% Sodium Thiosulfate
Synonym Nitrogen
39

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

Molecular Weight (g/mol) 18.02
SMILES O
Synonym Total Kjeldahl Nitrogen Digestion Reagent
IUPAC Name water
InChI Key XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula H2O
40

Kjeldahl Digestion Solution, Reagents

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

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
41

ABSOLUTE STANDARDS TOTAL KJELDAHL NITROGEN
SDP

NC2396132 TOTAL KJELDAHL NITROGEN

ENCOMPASS_PREFERRED
42

ALFIE PACKERS INC KELMATE N NO210 1000PKTS/CS

NC9997897 KELMATE N NO210 1000PKTS/CS

ENCOMPASS
43

HACH COMPANY SALICYLATE/NITROPRUSSIDE 500ML

NC2009492 SALICYLATE/NITROPRUSSIDE 500ML

ENCOMPASS
44

Sigma Aldrich Fine Chemicals Biosciences Kjeldahl Nitrogen, 1000 mg/L, 100mL

Kjeldahl Nitrogen, Total (TKN) 1000mg/L Calibration Standard.

ENCOMPASS
45

Seal Analytical Inc BD KJELDAHL DIGESTION 100GM
SDP

BD Kjeldahl Digestion Granules 100gm

ENCOMPASS