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204129

Sigma-Aldrich

Potassium sulfate

99.99% trace metals basis

Synonym(s):

Dipotassium sulfate, Monopotassium sulfate, Sulfuric acid dipotassium salt

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About This Item

Linear Formula:
K2SO4
CAS Number:
7778-80-5
Molecular Weight:
174.26
EC Number:
231-915-5
MDL number:
MFCD00011388
UNSPSC Code:
12352302
PubChem Substance ID:
24852202
NACRES:
NA.23
Assay:
99.99% trace metals basis
form:
powder

Quality Level

100

Assay

99.99% trace metals basis

form

powder

impurities

≤150.0 ppm Trace Metal Analysis

SMILES string

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

InChI

1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

OTYBMLCTZGSZBG-UHFFFAOYSA-L

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Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000231568
0000218522
0000231568
0000218522
0000081148

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Travis Marshall-Roth et al.
Nature communications, 11(1), 5283-5283 (2020-10-21)
Iron- and nitrogen-doped carbon (Fe-N-C) materials are leading candidates to replace platinum catalysts for the oxygen reduction reaction (ORR) in fuel cells; however, their active site structures remain poorly understood. A leading postulate is that the iron-containing active sites exist
Igor Moudrakovski et al.
The journal of physical chemistry. A, 114(1), 309-316 (2010-01-09)
A set of potassium sulfates presenting a variety of sulfur environments (K(2)SO(4), KHSO(4), K(2)S(2)O(7), and K(2)S(2)O(8)) has been studied by (33)S solid state NMR at 21 T. Low natural abundance (0.75%) and small gyromagnetic ratio of (33)S presented a serious
Su Chen et al.
Environmental geochemistry and health, 29(5), 435-446 (2007-04-04)
A pot experiment was conducted to examine the influence of potassium (K) fertilizer (K(2)SO(4)) application on the phytoavailability and speciation distribution of cadmium (Cd) and lead (Pb) in soil. Spring wheat (Triticum aestivum L.) was selected as the test plant.
Shuang Song et al.
Journal of hazardous materials, 152(1), 204-210 (2007-08-10)
The aim of this paper was to investigate the efficiency of the ozone-enhanced electrocoagulation (EC) process in the decolorization of C.I. Reactive Blue 19 in water using iron electrodes. We determined the effects of various operating parameters such as initial
Jinyong Yan et al.
Bioresource technology, 102(7), 4755-4758 (2011-02-01)
A dual modification procedure composed of cross-linking and protein coating with K(2)SO(4) was employed to modify Geotrichum sp. lipase for catalyzing biodiesel production from waste cooking oil. Compared to single modification of protein coating with K(2)SO(4), the dual modification of
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