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53680

Sigma-Aldrich

Humic acid

technical

Synonym(s):

PGS 10

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About This Item

CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352100
NACRES:
NA.22

grade

technical

Quality Level

form

solid

ign. residue

~20%

InChI

1S/K

InChI key

ZLMJMSJWJFRBEC-UHFFFAOYSA-N

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General description

Humic acid (HA) is a heterogeneous macromolecule mainly found in soil and water.

Application

Humic acid has been used to prepare stock solution employed in the following experiments:
  • Coagulation activity assay of Moringa oleifera protein extracts for humic acid removal.
  • Adsorption edge experiment to study its effect on the sorption of tetracycline onto goethite.
  • Evaluation of the ability of polymeric adsorbent Supelite Dax-8 to remove humic acid from nucleic acid extracts prior to quantitative real-time PCR (qPCR).

Legal Information

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Coagulant properties of Moringa oleifera protein preparations: application to humic acid removal.
Santos A F S, et al.
Environmental Technology, 33(1), 69-75 (2012)
Adsorption of tetracycline onto goethite in the presence of metal cations and humic substances.
Zhao Y, et al.
Journal of Colloid and Interface Science, 361(1), 247-251 (2011)
Samuel Barnie et al.
Chemosphere, 212, 209-218 (2018-08-26)
The retention of Cr(VI) in subsurface environment is highly dependent on humic acid (HA), however, the undissolved form is poorly investigated, the amount of which can be of two magnitude higher compared with the dissolved one in soils and sediments.
Qing-Song Li et al.
Environmental science and pollution research international, 25(10), 9391-9401 (2018-01-20)
This study investigated the transformation of triclosan (TCS) following co-exposure to UV irradiation and ClO2. Special attention was given to understand the influencing of water quality parameters and toxicity changes during the co-exposure process. The results show that the co-exposure
Nuria Polo-Cavia et al.
Aquatic toxicology (Amsterdam, Netherlands), 172, 30-35 (2016-01-15)
Recent studies suggest that direct mortality and physiological effects caused by pollutants are major contributing factors to global amphibian decline. However, even sublethal concentrations of pollutants could be harmful if they combined with other factors to cause high mortality in

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