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73091

Sigma-Aldrich

Potassium sulfate solution

BioUltra, 0.5 M in H2O

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About This Item

Linear Formula:
K2SO4
CAS Number:
7778-80-5
Molecular Weight:
174.26
MDL number:
MFCD00011388
UNSPSC Code:
12352200

product line

BioUltra

concentration

0.5 M in H2O

impurities

insoluble matter, passes filter test
≤0.0005% total nitrogen (N)

pH

5.5-7.5 (20 °C, 0.5 M in H2O)

solubility

H2O: 0.5 M at 20 °C, clear, colorless

density

1.056 g/mL at 20 °C

anion traces

chloride (Cl-): ≤5 mg/kg
phosphate (PO43-): ≤10 mg/kg

cation traces

Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤20 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤20 mg/kg
Zn: ≤1 mg/kg

λ

0.5 M in H2O

UV absorption

λ: 260 nm Amax: ≤0.01
λ: 280 nm Amax: ≤0.01

SMILES string

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

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Storage Class Code

12 - Non Combustible Liquids

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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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
Antonio Scarano et al.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons, 68(5), 964-968 (2010-03-13)
Calcium sulfate (CaS) is a simple, biocompatible material with a very long, safe clinical history in several different fields of medicine. CaS is a rapidly resorbing material that leaves behind a calcium phosphate lattice, which promotes bone regeneration and hemostasis.
Ashley C Parker et al.
Clinical orthopaedics and related research, 469(11), 3008-3015 (2011-05-10)
Local drug delivery has substantial potential to prevent infections compared with systemic delivery. Although calcium sulfate (CaSO(4)) has been studied for local drug delivery and two types are commercially available, it is unknown whether they differentially release antibiotics. We determined
Fazal Reza et al.
Dental materials journal, 28(3), 301-306 (2009-08-11)
The purpose of the study was to investigate the effects of a K2SO4 solution on the improvement of the properties of an experimental magnesia-based gypsum-bonded investment. The characteristics of the experimental investment with different ratios of a K2SO4 solution were
Tian-Li Ma et al.
BMC plant biology, 12, 161-161 (2012-09-12)
Potassium (K+) is an important nutrient ion in plant cells and plays crucial roles in many plant physiological and developmental processes. In the natural environment, K+ deficiency is a common abiotic stress that inhibits plant growth and reduces crop productivity.
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