Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Qualitative Analysis03:46

Qualitative Analysis

27.4K
For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...
27.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Heterotrophic denitrification for the simultaneous reduction of nitrates using acorn cups as an energy source.

Scientific reports·2025
Same author

Studies of the potential of a native natural biosorbent for the elimination of an anionic textile dye Cibacron Blue in aqueous solution.

Scientific reports·2021
Same author

Enhancing removal efficiency of anionic dye (Cibacron blue) using waste potato peels powder.

Scientific reports·2021
Same author

Unlikely lead-bearing phases in river and estuary sediments near an ancient mine (Huelgoat, Brittany, France).

Environmental science and pollution research international·2020
Same author

3D optical detection in radiodosimetry: EasyDosit hydrogel characterization.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy·2019
Same author

Hydroxyapatite-based sorbents: elaboration, characterization and application for the removal of catechol from the aqueous phase.

Environmental technology·2016

Related Experiment Video

Updated: Mar 14, 2026

Rapid Mix Preparation of Bioinspired Nanoscale Hydroxyapatite for Biomedical Applications
05:41

Rapid Mix Preparation of Bioinspired Nanoscale Hydroxyapatite for Biomedical Applications

Published on: February 23, 2017

20.1K

Hydroxyapatite precipitation with Hydron Blue dye.

Noura Oubagha1, Wahiba Lemlikchi2, Patrick Sharrock3

  • 1Université Mouloud Mammeri Laboratoire LCAGC, Tizi-Ouzou, 15000, Algeria.

Journal of Environmental Management
|September 27, 2016
PubMed
Summary

Smaller calcium phosphate particles enhance Hydron Blue dye removal from water. Coprecipitation with dye increases removal capacity, making nascent particles effective for water pollution control.

Keywords:
AdsorptionAgglomerationCoprecipitationFlocculationHydroxyapatiteParticle-size distributions

More Related Videos

Separation of Single-stranded DNA, Double-stranded DNA and RNA from an Environmental Viral Community Using Hydroxyapatite Chromatography
13:46

Separation of Single-stranded DNA, Double-stranded DNA and RNA from an Environmental Viral Community Using Hydroxyapatite Chromatography

Published on: September 29, 2011

32.5K
High-Throughput, Multi-Image Cryohistology of Mineralized Tissues
10:18

High-Throughput, Multi-Image Cryohistology of Mineralized Tissues

Published on: September 14, 2016

17.1K

Related Experiment Videos

Last Updated: Mar 14, 2026

Rapid Mix Preparation of Bioinspired Nanoscale Hydroxyapatite for Biomedical Applications
05:41

Rapid Mix Preparation of Bioinspired Nanoscale Hydroxyapatite for Biomedical Applications

Published on: February 23, 2017

20.1K
Separation of Single-stranded DNA, Double-stranded DNA and RNA from an Environmental Viral Community Using Hydroxyapatite Chromatography
13:46

Separation of Single-stranded DNA, Double-stranded DNA and RNA from an Environmental Viral Community Using Hydroxyapatite Chromatography

Published on: September 29, 2011

32.5K
High-Throughput, Multi-Image Cryohistology of Mineralized Tissues
10:18

High-Throughput, Multi-Image Cryohistology of Mineralized Tissues

Published on: September 14, 2016

17.1K

Area of Science:

  • Materials Science
  • Environmental Chemistry

Background:

  • Calcium phosphate precipitates as amorphous hydroxyapatite from neutral solutions.
  • Hydroxyapatite particles initially form small agglomerates (average 18 μm).

Purpose of the Study:

  • To investigate the effect of Hydron Blue dye on calcium phosphate particle formation and agglomeration.
  • To determine the dye removal capacity of hydroxyapatite, particularly when formed in the presence of the dye.

Main Methods:

  • Precipitation of calcium phosphate in neutral water solutions.
  • Addition of Hydron Blue dye to observe agglomeration.
  • Formation of calcium phosphate in the presence of Hydron Blue dye to create coprecipitates.

Main Results:

  • Hydron Blue dye addition caused hydroxyapatite particles to agglomerate to 50 μm.
  • Coprecipitates formed in the presence of dye averaged 20 μm and contained up to 60% organic matter.
  • Nascent calcium phosphate particles exhibited a strong capacity for Hydron Blue dye removal.

Conclusions:

  • The formation of calcium phosphate in the presence of Hydron Blue dye significantly enhances its removal capacity.
  • Smaller, nascent calcium phosphate particles are more effective in removing dye molecules from water.
  • This suggests potential applications in water pollution control using tailored calcium phosphate precipitation.