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P5379 Sigma-Aldrich

Potassium phosphate monobasic

ReagentPlus®

Synonym: Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate

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Properties

Related Categories Biochemicals and Reagents, Biological Buffers, Buffers A to Z More...
grade   ReagentPlus®
InChI Key   GNSKLFRGEWLPPA-UHFFFAOYSA-M
assay   ≥99.0%
pKa (25 °C)   (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp   252.6 °C(lit.)
density   2.338 g/mL at 25 °C(lit.)

Description

Packaging

1 kg in poly bottle

10 kg in poly drum

100, 500 g in poly bottle

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.




REDI-DRI

Interactive Buffer Table
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
TC6615500

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

Protocols

Enzymatic Assay of 3α-Hydroxysteroid Dehydrogenase with Androsterone (EC 1.1.1.50)

To standardize a procedure for the enzymatic determination of 3α-Hydroxysteroid dehydrogenase.
Keywords: Chromatography, Enzymology, Extinction coefficient

Enzymatic Assay of Alcohol Oxidase (EC 1.1.3.13)

The continuous spectrophotometric rate determination (A405, Light path = 1 cm) is based on the following reactions:
Keywords: Extinction coefficient

Enzymatic Assay of Cathepsin B

This procedure applies to all products that have a specification for Cathepsin B activity, such as Sigma-Aldrich Product Numbers C0150 and C8571, determined by the liberation of 7-amino-4-methylcouma...
Keywords: Enzyme activity, Enzymology

Enzymatic Assay of Cholesterol Oxidase

To standardize a procedure for the determination of the enzymatic assay of Cholesterol Oxidase.
Keywords: Enzyme activity, Extinction coefficient, Isomerizations

Enzymatic Assay of D-Alanine Racemase (EC 5.1.1.1)

To standardize a procedure for the enzymatic assay of D-Alanine Racemase, Sigma Product Number A8936, at Sigma-Aldrich St. Louis.
Keywords: Extinction coefficient

Enzymatic Assay of Ficin (EC 3.4.22.3)

The spectrophotometric stop rate detemination (A280, Light path = 1 cm) is based on the following reaction:

Enzymatic Assay of Fumarase

To standardize a procedure for the enzymatic assay of Fumarase in Analytical Services at Sigma-Aldrich - St. Louis.
Keywords: Extinction coefficient

Enzymatic Assay of Laccase (EC 1.10.3.2)

To standardize a procedure for the enzymatic assay of laccase at Sigma-Aldrich, St. Louis, Mo.

Enzymatic Assay of Lipase Type XIII from Pseudomonas Species and Pseudomonas Cepacia using a coupled enzyme system of Glycerol Kinase and Glycerophosphate Oxidase (EC 3.1.1.3)

To standardize a procedure for the enzymatic assay of Lipase Type XIII from Pseudomonas Species, Sigma Product Number L9518 , and Pseudomonas Cepacia, Sigma Product Number L9156, using a coupled enzy...
Keywords: Centrifugation, Extinction coefficient, High performance liquid chromatography

Enzymatic Assay of Lysozyme (EC 3.2.1.17)

This procedure may be used for Lysozyme products. The enzymatic rate determination (A450, Light path = 1 cm) is based on the following reaction:

Enzymatic Assay of Lyticase

This procedure may be used for the determination of Lyticase activity using Baker’s yeast as the substrate. The turbidimetric rate determination [Absorbance at 800 nm (A800), Light path = 1 cm] is ba...
Keywords: Enzyme activity, Sonication

Enzymatic Assay of Malic Dehydrogenase (EC 1.1.1.37)

The continuous spectrophotometric rate determination (A340, Light path = 1 cm) is based on the following reaction:
Keywords: Extinction coefficient

Enzymatic Assay of Peroxidase (EC 1.11.1.7) 2,2'-Azino-bis(3-Ethylbenzthiazoline-6-Sulfonic Acid) as a Substrate

Replaces SPABTS02. Procedure updated to conform to current QUMAS formatting guidelines. Refer to CR SOP-DEK-ENZ42.
Keywords: Extinction coefficient

Enzymatic Assay of Peroxidase (EC 1.11.1.7)

This procedure is for the determination of Peroxidase enzymatic activity using Pyrogallol as the substrate. Products using this method include, but are not limited to, P1709, P2088, P6140, P6782, P81...
Keywords: Enzyme activity, Extinction coefficient

Enzymatic Assay of Phytase (EC 3.1.3.8)

Derived from procedure SSPHYT02. Includes template updates to current SOP specifications and incorporation of notes into the procedure. Refer to SOP-DEK-ENZ18.
Keywords: Biochemistry

Enzymatic Assay of Plasmin with D-Val-Leu-Lys-p-Nitroanilide Dihydrochloride

This scope of this procedure applies to products that have a specification for the enzymatic activity of plasmin.
Keywords: Enzyme activity, Extinction coefficient

Enzymatic Assay of Proteinase K (EC 3.4.21.64)

This procedure may be used for determination of Proteinase K activity using hemoglobin as the substrate. It is not used to assay the activity of immobilized Proteinase K products, such as Catalog Num...
Keywords: Immobilization

Enzymatic Assay of β-Glucuronidase (EC 3.2.1.31) from E. coli

The scope of this procedure is all products from E. coli that have a specification for β-Glucuronidase activity.
Keywords: Enzymology

Spectrophotometric Determination of Reinheitszahl (RZ) for Peroxidase (EC 1.11.1.7)

Reinheitszahl (RZ) is the ratio of absorbance due to hemin (A403, Soret region) to absorbance due to protein (A275). This ratio (A403/A275) is not a measure of enzyme activity. Products using this me...
Keywords: Enzyme activity

Related Content

BioUltra Biological Buffers

A buffer, as defined by Van Slyke [1], is "a substance which by its presence in solution increases the amount of acid or alkali that must be added to cause unit change in pH". Buffers are thus very i...
Keywords: Absorption, Adsorption, Biochemistry, Biological Buffers, Biological processes, Buffers, PAGE

Peer-Reviewed Papers
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