Quality Level
agency
USP/NF, reag. Ph. Eur.
concentration
17.6 g/L±0.1 g/L Cu
density
1.038-1.060 g/mL at 20 °C
suitability
in accordance for application
application(s)
food and beverages
general analytical
pharmaceutical (small molecule)
SMILES string
[Cu++].[O-]S([O-])(=O)=O
InChI
1S/Cu.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
InChI key
ARUVKPQLZAKDPS-UHFFFAOYSA-L
General description
Fehling测试的原理基本是以单糖和二糖的还原性为基础，而单糖和二糖的还原性又取决于游离酮或醛基的存在。该测试需要向Fehling A液（即CuSO4）和Fehling B液（即KOH和Na-K酒石酸盐）的混合物中加入几滴糖溶液。Fehling溶液被醛糖还原，产生不溶性黄色或红色氧化亚铜。葡萄糖、半乳糖和果糖等单糖以及乳糖和麦芽糖等二糖能够响应Fehling测试，因为它们具有游离酮或醛基，而蔗糖不含游离醛或酮基，所以不能响应测试。因此，Fehling测试也能用于区分还原糖（如麦芽糖）和非还原糖（如蔗糖）。
signalword
Warning
hcodes
pcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 2
存储类别
12 - Non Combustible Liquids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Lab Manual in Biochemistry: Immunology and Biotechnology.
Tata N.
Biochemistry, 23-23 (2007)
Elementary Practical Organic Chemistry: Quantitative Organic Analysis Part 3.
Voguel A.
Science, 743-744 null
Limin Su et al.
Journal of hazardous materials, 241-242, 450-455 (2012-10-24)
The individual toxicities of Cu and 11 nitroaromatic compounds to Photobacterium phosphoreum were determined. The toxicity was expressed as the concentrations causing a 50% inhibition of bioluminescence after 15 min exposure (IC(50)). To evaluate the joint effect between the metal
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 36018-1L | 04061837901232 |
| 36018-500ML | 04061837901263 |
| 36018-4X2.5L | 04061837901256 |