Skip to Content
Merck
All Photos(1)

Documents

72190

Supelco

Nessler′s reagent

for qualitative det. of ammonia and ammonium compounds

Synonym(s):

Potassium tetraiodomercurate – Potassium hydroxide solution

Sign Into View Organizational & Contract Pricing


About This Item

CAS Number:
MDL number:
UNSPSC Code:
41113319
PubChem Substance ID:
NACRES:
NA.21

form

liquid

Quality Level

quality

for qualitative det. of ammonia and ammonium compounds

specific analyte(s)

ammonium

technique(s)

photometry: suitable

impurities

potassium hydroxide
potassium tetraiodomercurate

density

1.16 g/mL at 20 °C

application(s)

environmental
food and beverages
general analytical

SMILES string

[K+].[K+].I[Hg--](I)(I)I

InChI

1S/Hg.4HI.2K/h;4*1H;;/q+2;;;;;2*+1/p-4

InChI key

OPCMAZHMYZRPID-UHFFFAOYSA-J

Looking for similar products? Visit Product Comparison Guide

General description

Nessler′s reagent is widely used in determination of ammonium compounds. It can be prepared using anhydrous mercuric iodide and anhydrous potassium iodide. It can be prepared from potassium tetraiodomercurate dissolved in potassium hydroxide.

Application

Nessler′s reagent has been used in determining ammonia in flow analysis regime using analytical spectrometry.

Caution

may form little sediment upon storage

Other Notes

Reagent for the determination of ammonia
The method detection limit is 0.1 mg/L.
Reference: APHA 1975.

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A - STOT RE 2

Target Organs

Kidney,Central nervous system

Storage Class Code

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

A novel optoelectronic detector and improved flow analysis procedure for ammonia determination with Nessler?s reagent.
Kolacinska, Kamila, and Robert Koncki.
Analytical Sciences, 30.10, 1019-1022 (2014)
E.A. Burns et al.
The Analytical Chemistry of Nitrogen and its compounds, 51-51 (1970)
M A El Ries et al.
Journal of pharmaceutical and biomedical analysis, 25(1), 3-7 (2001-03-29)
Ion-associate complexes of atropine sulphate (I), diphenhydramine HCl (II), tolazoline HCl (III) and levamisole HCl (IV) with potassium tetraiodomercurate were precipitated and their solubilities were studied as a function of pH, ionic strength and temperature. Saturated solutions of each ion-associate
Santosh Kumar Verma et al.
Journal of AOAC International, 90(4), 1180-1190 (2007-09-01)
This paper presents development of a simple, rapid, and precise analytical method for determination of sulfur dioxide in ambient air by a gas to solid-phase conversion method. Sulfur dioxide is determined in the form of sulfite (SO3(2-)) because the absorbing
Justyna Bzura et al.
Enzyme and microbial technology, 123, 1-7 (2019-01-29)
Two fully mechanized flow analysis systems for urease activity assays have been developed, characterized and compared. Both of them are based on almost the same compact system of solenoid micropumps and microvalves controlled and actuated by highly effective, low-power and

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service