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34636

Supelco

Chromium(III) potassium sulfate solution

for COD determination according to DIN 38409-H44

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About This Item

Linear Formula:
KCr(SO4)2
CAS Number:
10141-00-1
Molecular Weight:
283.22
MDL number:
MFCD00011363
UNSPSC Code:
41113319
PubChem Substance ID:
329755048

grade

for COD determination according to DIN 38409-H44

density

1.12 g/mL at 20 °C

application(s)

environmental
general analytical

SMILES string

[K+].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

InChI

1S/Cr.K.2H2O4S/c;;2*1-5(2,3)4/h;;2*(H2,1,2,3,4)/q+3;+1;;/p-4

InChI key

OIDPCXKPHYRNKH-UHFFFAOYSA-J

General description

The higher the pH more is the chromium (III) (crystal growth suppressor) adsorbed, on the surface of potassium sulfate crystal powder which is suspended in saturated solutions.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Adsorption of growth suppressor chromium (III) on potassium sulfate crystals in aqueous solution.
Guzman LA
Journal of Crystal Growth, 186 (3), 438-445 (1998)
R S Liem et al.
Acta morphologica Neerlando-Scandinavica, 22(3), 233-243 (1984-10-01)
The ultrastructure of endochondral bone was studied using an aqueous solution of chromic potassium sulphate as the decalcifying agent. 0.5 mm thick sections of rat tibiae were fixed in buffered glutaraldehyde, immersed in an aqueous solution of 1% chromic potassium
L A Kowalski et al.
Cancer letters, 103(1), 65-69 (1996-05-15)
Tumor promoters such as phorbol esters, teleocidin and okadaic acid increase the numbers of multilayered, transformed foci produced by BPV DNA-transfected C3H/10T1/2 cells. We questioned whether arsenic and chromium, which are known human carcinogens also enhance transformation of BPV DNA-transfected
W Sandritter et al.
Journal of microscopy, 121(Pt 3), 253-259 (1981-03-01)
A method has been elaborated for the demonstration of DNA in the electron microscope. The method uses glutaraldehyde fixed tissue pieces from which RNA has been removed by incubation with RNase. DNA is stained by gallocyanin-chrome alum in the tissue
Rapid demonstration of nucleic acids using "oxidised" gallocyanin and chromic potassium sulphate: methods and applications.
O A Husain et al.
Journal of clinical pathology, 37(1), 99-101 (1984-01-01)
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