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Merck
CN

73091

硫酸钾 溶液

BioUltra, 0.5 M in H2O

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线性分子式:
K2SO4
化学文摘社编号:
分子量:
174.26
UNSPSC Code:
12352200
MDL number:
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SMILES string

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

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

存储类别

12 - Non Combustible Liquids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves

法规信息

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分析证书(COA)

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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
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.
Michael B Ellis et al.
Journal of insect physiology, 54(12), 1516-1521 (2008-09-30)
Terrestrial organisms need to limit evaporation from their bodies in order to maintain a homeostatic water balance. Owing to a large surface to volume ratio, arthropods are particularly susceptible to desiccation and have evolved behavioural and physiological mechanisms to conserve
Victoria Tkatcheva et al.
Ecotoxicology and environmental safety, 68(3), 419-425 (2007-05-19)
The objective of this study is to discern the effects of increased waterborne lithium and potassium on rainbow trout gill histology, lipid composition, and enzyme activity. The study aims to elucidate the effects of these ions in the laboratory in
Douglas K Rex et al.
Gastrointestinal endoscopy, 72(2), 328-336 (2010-07-22)
Low-volume bowel preparations for colonoscopy improve tolerability. We compared the efficacy, tolerability, and safety of a new low-volume sulfate solution with a standard 4-L polyethylene glycol electrolyte lavage solution as bowel preparation for colonoscopy. Multicenter, single-blind, randomized, noninferiority study. Five

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