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Masking and Demasking Agents

Masking and Demasking Agents

EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on the metal...

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Related Experiment Video

Updated: Jun 24, 2026

Fabrication of Micropatterned Hydrogels for Neural Culture Systems using Dynamic Mask Projection Photolithography

Fabrication of Micropatterned Hydrogels for Neural Culture Systems using Dynamic Mask Projection Photolithography

Published on: February 11, 2011

Two-dimensional hard masks push three-dimensional patterning

Jihoon Chang^1,2,3, Chul-Ho Lee^4,5

¹Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea.

Nature Materials

|April 16, 2026

Summary

No abstract available in PubMed .

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