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Merck

H16752

Humic acid sodium salt

technical grade

Synonym(s):

Humic acid Na salts, Sodium humates, Sodium salts humic acids

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About This Item

CAS Number:
UNSPSC Code:
12352100
EC Number:
268-608-0
NACRES:
NA.22
MDL number:
Technical Service
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grade

technical grade

Quality Level

mp

>300 °C (lit.)

General description

Humic acid possess excellent complexing ability with heavy metal. Humic acid sodium salt acts as a proxy for humic-like substances that were identified as a major component of the isolated organic matter in the atmospheric aerosol.

Humic acid sodium salt, also known as sodium humate is used to synthesize superabsorbents.

Application

Humic acid sodium salt is suitable reagent used to study the hygroscopic growth of solid aerosol particles consisting of mixtures of ammonium sulfate, adipic acid and humic acid mixtures. It is suitable reagent used to study the phase transitions and hygroscopic growth of humic acid aerosols by Fourier transform infra-red (FTIR) spectroscopy and tandem differential mobility analysis (TDMA).


Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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Qi Zhao et al.
Chemosphere, 256, 127021-127021 (2020-05-22)
The effect of gamma-irradiation doses of 0, 10, 100, and 500 kGy at the dose rates of 1 or 0.1 kGy/h on the molecular and chemical properties of humic substances (HS) were investigated using total organic carbon measurements, UV-Vis spectrometry, 13C nuclear magnetic
Synthesis and characterization of chitosan-g-poly (acrylic acid)/sodium humate superabsorbent
Liu J, et al.
Carbohydrate Polymers, 70, 166-173 (2007)
Sara P Azerrad et al.
Water research, 103, 424-434 (2016-08-06)
Removal of micropollutants from reverse osmosis (RO) brines of wastewater desalination by oxidation processes is influenced by the scavenging capacity of brines components, resulting in the accumulation of transformation products (TPs) rather than complete mineralization. In this work the iodinated