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

22.7K
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...
22.7K
Sample Preparation for Analysis: Advanced Techniques01:08

Sample Preparation for Analysis: Advanced Techniques

498
Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
498
Washing, Drying, and Ignition of Precipitates00:52

Washing, Drying, and Ignition of Precipitates

1.2K
After filtration, the precipitate is washed to remove coprecipitated impurities and any remaining mother liquor. Colloidal precipitates, such as silver chloride, are washed with an electrolyte (such as dilute nitric acid) to prevent the peptization of the precipitate. In the case of slightly soluble precipitates, the wash solution contains a common ion to reduce solubility. Lead sulfate, which is slightly soluble in water, is washed with dilute sulfuric acid. Similarly, wash solutions may be...
1.2K

You might also read

Related Articles

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

Sort by
Same author

Chang'e-6 farside anorthosites indicate hemispherically comparable magma ocean solidification.

Nature communications·2026
Same author

Atom Probe Tomography Method for Determination of Iron Isotope Compositions at Nanoscale.

Analytical chemistry·2026
Same author

High- and ultrahigh-spatial-resolution geochronology.

National science review·2025
Same author

Lead isotopic evidence for an old and rapid lunar magma ocean.

Science advances·2025
Same author

Magnetic signatures and origins of ferromagnetic minerals in Chang'e-6 lunar farside soils.

Nature communications·2025
Same author

Tandem Elemental Analysis of Chang'e-6 Lunar Soil Samples Using X-ray Fluorescence and Femtosecond Laser Ablation Inductively Coupled Plasma Mass Spectrometry.

Analytical chemistry·2025

Related Experiment Video

Updated: Oct 4, 2025

Atom Probe Tomography Analysis of Exsolved Mineral Phases
08:14

Atom Probe Tomography Analysis of Exsolved Mineral Phases

Published on: October 25, 2019

7.4K

An Acid-Based Method for Highly Effective Baddeleyite Separation from Gram-Sized Mafic Rocks.

Qian Guo1,2, Qiu-Li Li1,2,3, Zhu-Yin Chu1,2

  • 1State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China.

ACS Omega
|February 7, 2022
PubMed
Summary

A new chemical separation method efficiently recovers baddeleyite (ZrO2) grains from mafic igneous rocks. This breakthrough aids precise geochronological dating of silica-undersaturated rocks, overcoming limitations of traditional techniques.

More Related Videos

Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis
14:55

Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis

Published on: June 24, 2018

9.3K
Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent
11:14

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent

Published on: February 21, 2017

12.6K

Related Experiment Videos

Last Updated: Oct 4, 2025

Atom Probe Tomography Analysis of Exsolved Mineral Phases
08:14

Atom Probe Tomography Analysis of Exsolved Mineral Phases

Published on: October 25, 2019

7.4K
Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis
14:55

Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis

Published on: June 24, 2018

9.3K
Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent
11:14

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent

Published on: February 21, 2017

12.6K

Area of Science:

  • Geochemistry
  • Mineralogy
  • Geochronology

Background:

  • Dating silica-undersaturated mafic igneous rocks is challenging due to the scarcity of suitable geochronometers like zircon.
  • Baddeleyite (ZrO2) is a key mineral for dating these rocks, but its extraction is hindered by small grain size, morphology, and low abundance.
  • Conventional water-based separation methods yield low recovery rates, requiring large sample sizes.

Purpose of the Study:

  • To develop a novel, efficient method for separating baddeleyite from mafic igneous rocks.
  • To improve baddeleyite recovery rates significantly compared to existing techniques.
  • To ensure the integrity of the U-Pb isotopic system in recovered baddeleyite for accurate dating.

Main Methods:

  • A new mineral separation technique utilizing differential solubility in a mixture of hydrofluoric (HF), hydrochloric (HCl), and nitric (HNO3) acids.
  • Application of the method to a gram-sized sample (∼19 g) of diabase powder.
  • Subsequent U-Pb isotopic analysis using secondary ion mass spectrometry (SIMS).

Main Results:

  • The new acid-based method achieved a high recovery of 150-160 baddeleyite grains (10-100 μm) from a small sample.
  • This represents an order of magnitude improvement over traditional water-based methods, which recover only 11-12 grains.
  • SIMS U-Pb analyses confirmed that the recovered baddeleyite grains maintained a closed U-Pb system, with no significant lead loss.

Conclusions:

  • The developed acid-based separation method offers highly efficient baddeleyite recovery from gram-sized mafic rock samples.
  • This technique overcomes the limitations of traditional methods, enabling better geochronological studies of silica-undersaturated igneous rocks.
  • The improved recovery and preserved isotopic integrity of baddeleyite will significantly advance the dating of mafic magmatic events.