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Related Concept Videos

Precipitate Formation and Particle Size Control01:16

Precipitate Formation and Particle Size Control

7.1K
In precipitation gravimetry, the precipitating agent should react specifically or selectively with the analyte. While a specific reagent reacts with the analyte alone, a selective reagent can react with a limited number of chemical species.
The obtained precipitate should be either a pure substance of known composition or easily converted to one by a simple process, such as ignition or drying. In addition, the precipitate should be insoluble and easily filterable. In general, filterability...
7.1K
Precipitation Processes01:12

Precipitation Processes

6.5K
The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
6.5K
Types of Coprecipitation01:10

Types of Coprecipitation

6.9K
Coprecipitation is the contamination of a precipitate by otherwise soluble species and occurs via different processes. In colloidal precipitates, coprecipitation occurs via surface adsorption. For instance, barium sulfate has a primary layer of adsorbed barium ions and a secondary layer of nitrate counterions. This results in contamination of the precipitate by barium nitrate.
Sometimes, ions in a crystal lattice can undergo isomorphous replacement by inclusions of similar charge and size. For...
6.9K
Ziegler–Natta Chain-Growth Polymerization: Overview01:17

Ziegler–Natta Chain-Growth Polymerization: Overview

4.2K
Ziegler–Natta polymerization is another form of addition or chain‐growth polymerization used for synthesizing linear polymers over branched polymers. The catalyst used for polymerization is the Ziegler–Natta catalyst, named after Karl Ziegler and Giulio Natta, who developed it in 1953. This catalyst is an organometallic complex of titanium tetrachloride and triethyl aluminum, with the active form of the catalyst being an alkyl titanium compound. Using the Ziegler–Natta...
4.2K
Cationic Chain-Growth Polymerization: Mechanism00:57

Cationic Chain-Growth Polymerization: Mechanism

3.0K
The cationic polymerization mechanism consists of three steps: initiation, propagation, and termination. In the initiation step of the polymerization process, the π bond of a monomer gets protonated by the Lewis acid catalyst, which is formed from boron trifluoride and water. The protonation of the π bond generates a carbocation stabilized by the electron‐donating group. In the propagation step, the π bond of the second monomer acts as a nucleophile and attacks the...
3.0K
Step-Growth Polymerization: Overview01:03

Step-Growth Polymerization: Overview

4.7K
Step-growth or condensation polymerization is a stepwise reaction of bi or multifunctional monomers to form long-chain polymers. As all the monomers are reactive, most of the monomers are consumed at the early stages of the reaction to form small chains of reactive oligomers, which then combine to form long polymer chains in the late stages. Hence, the reaction has to proceed for a long time to achieve high molecular weight polymers.
Many natural and synthetic polymers are produced by...
4.7K

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Updated: Mar 21, 2026

Using Polystyrene-block-polyacrylic acid-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization
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Using Polystyrene-block-polyacrylic acid-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization

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Active Learning-Guided Polymorph Control in Co-Precipitation Synthesis.

Tong Zhao1, Yan Zeng1

  • 1Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida, USA.

Small Methods
|March 20, 2026
PubMed
Summary
This summary is machine-generated.

Researchers used AI-guided robotic synthesis to control material phases, specifically identifying optimal conditions for pure alpha-FeC2O4·2H2O. This approach accelerates the discovery of synthesis-phase relationships for controllable material production.

Keywords:
artificial intelligencematerial synthesismetal oxalatepolymorph controlrobotic synthesis

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High-throughput Synthesis of Carbohydrates and Functionalization of Polyanhydride Nanoparticles
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Using Polystyrene-block-polyacrylic acid-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization
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High-throughput Synthesis of Carbohydrates and Functionalization of Polyanhydride Nanoparticles
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High-throughput Synthesis of Carbohydrates and Functionalization of Polyanhydride Nanoparticles

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Area of Science:

  • Materials Science
  • Chemical Engineering
  • Artificial Intelligence

Background:

  • Controlling material phases is crucial but difficult due to complex synthesis parameters.
  • Artificial intelligence (AI) and laboratory automation offer new solutions for complex experimental challenges.

Purpose of the Study:

  • To develop an AI-guided robotic synthesis workflow for precise phase control in co-precipitation.
  • To demonstrate efficient exploration of selective synthesis pathways for polymorphic materials.

Main Methods:

  • Implemented an active learning-guided robotic synthesis workflow.
  • Utilized Bayesian optimization to identify optimal synthesis conditions for FeC2O4·2H2O.
  • Applied AI to predict phase outcomes based on synthesis parameters.

Main Results:

  • Successfully identified optimal synthesis conditions for pure α-FeC2O4·2H2O.
  • Demonstrated an active learning workflow for efficient phase prediction and selective synthesis.
  • Preliminary examination of synthesis parameter influence on FeC2O4·2H2O morphology.

Conclusions:

  • AI integrated with robotic synthesis significantly accelerates the discovery of synthesis-phase relationships.
  • This approach advances controllable material synthesis, enabling efficient production of desired material phases.