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Merck
CN

72190

Nessler 试剂

for qualitative det. of ammonia and ammonium compounds

别名:

四碘合汞酸钾 - 氢氧化钾 溶液

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关于此项目

化学文摘社编号:
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
41113319
MDL number:
Form:
liquid
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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

General description

奈斯勒试剂广泛用于测定铵化合物。可以使用无水碘化汞和无水碘化钾制备。可以由溶解在氢氧化钾中的四碘酸钾制备。

Application

奈斯勒试剂已用于流动分析方案中分析光谱法测氨。

Other Notes

用于氨测定的试剂
方法检出限为0.1 mg/L。
参考文献: APHA 1975。

Disclaimer

存放时可能形成少量沉淀
对于美国客户:本品含汞。废弃后切勿放入垃圾桶,须按照地方、州或联邦法律处置。


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signalword

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

存储类别

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

ppe

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



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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



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货号GTIN
72190-500ML04061832856438