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Merck
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주요 문서

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72190

Supelco

Nessler′s reagent

for qualitative det. of ammonia and ammonium compounds

동의어(들):

Potassium tetraiodomercurate – Potassium hydroxide solution

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About This Item

CAS Number:
7783-33-7
MDL number:
MFCD00049656
UNSPSC 코드:
41113319
PubChem Substance ID:
329763879
NACRES:
NA.21

Grade

for analytical purposes

Quality Level

100

양식

liquid

품질

for qualitative det. of ammonia and ammonium compounds

특정 분석물질

ammonium

기술

photometry: suitable

불순물

potassium hydroxide
 potassium tetraiodomercurate

density

1.16 g/mL at 20 °C

응용 분야

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

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일반 설명

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.[1]

애플리케이션

Nessler′s reagent has been used in determining ammonia in flow analysis regime using analytical spectrometry.[1]

주의사항

may form little sediment upon storage

기타 정보

Reagent for the determination of ammonia[2]
The method detection limit is 0.1 mg/L.
Reference: APHA 1975.

면책조항

For U.S. Customers: Contains mercury; Do not place in trash - dispose according to local, state, or federal laws.

신호어

Danger

유해 및 위험 성명서

H290,H301 + H331,H310,H314,H373,H410

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

표적 기관

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

개인 보호 장비

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

가장 최신 버전 중 하나를 선택하세요:

시험 성적서(COA)

Lot/Batch Number
BCCD2740
BCCC3064
BCCC2297
BCCB5542
BCBZ6872

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문서 라이브러리 방문

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)
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
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
S J Lambert et al.
Acta crystallographica. Section D, Biological crystallography, 55(Pt 5), 1048-1051 (1999-04-27)
Intact histone octamers, produced by a new method quickly and in bulk, were crystallized in KCl/phosphate, and the X-ray data were analysed to 2.15 A, confirming a P65 space group. This environment preserves the high-resolution structure of the octamers and
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