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S0876 Sigma-Aldrich

Sodium phosphate dibasic

ReagentPlus®, ≥99.0%

Synonym: sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate

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Properties

Related Categories Biochemicals and Reagents, Biological Buffers, Buffers A to Z More...
grade   ReagentPlus®
InChI Key   BNIILDVGGAEEIG-UHFFFAOYSA-L
assay   ≥99.0%
form   powder or crystals
pH   8.9-9.2 (25 °C, 50 g/L in water)
pKa (25 °C)   (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
solubility   water: soluble100 mg/mL

Description

Packaging

1 kg in poly bottle

100, 500 g in poly bottle

5 kg in poly drum

Legal Information

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

Price and Availability


REDI-DRI

Interactive Buffer Table
Safety & Documentation

Safety Information

WGK Germany 
1
RTECS 
WC4500000

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

Articles

Enzymatic Food Analysis

Enzymatic methods for food analysis are highly specific and offer considerable time and cost savings over other methods, especially from the sample preparation standpoint. Sigma-Aldrich offers a wide...
Jvo Siegrist
Product Manager Microbiology ivo.siegrist@sial.com, AnalytiX Volume 9 Article 2
Keywords: Absorption, Clinical, Degradations, Diabetes, Enzyme activity, Food Analysis, Nutrition, Obesity, Sample preparations

Protocols

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 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

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
15

References

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