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Indicator Solution

Hengyuan Fine Chemical offers ISO 17034:2016 certified indicator solutions for acid-base, redox, and complexometric titrations. 

With ±0.02 pH transition accuracy and compliance with USP/EP/GB standards, they are compatible with automated/manual titration systems for pharma, chemical, and environmental labs.


Product Number Image Product Name CAS No. Molecular Formula
Product Number:PCL-2021ZSY071-100ml Tetramethylbenzidine indicator solution for residual chlorine in tap water Product Name:Tetramethylbenzidine indicator solution for residual chlorine in tap water CAS No.:N/A Molecular Formula:
Product Number:test-test Special test 23 Product Name:Special test 23 CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY069-100ml 1,10-Phenanthroline-ferrous acid indicator solution Product Name:1,10-Phenanthroline-ferrous acid indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY070-500ml PAN indicator fluid Product Name:PAN indicator fluid CAS No.:N/A Molecular Formula:
Product Number:PCL-2023ZSY001-100ml Diphenylazocarbohydrazide indicator Product Name:Diphenylazocarbohydrazide indicator CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY009-100ml Diphenylhydrazine indicator solution Product Name:Diphenylhydrazine indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY014-100ml Malachite green indicator solution Product Name:Malachite green indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY015-500ml Litmus indicator solution Product Name:Litmus indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024ZSY559-100ml Thymol blue indicator solution Product Name:Thymol blue indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY017-100ml Cresol red-thymol blue mixed indicator solution Product Name:Cresol red-thymol blue mixed indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY007-100ml Xylenol orange indicator solution Product Name:Xylenol orange indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY023-100ml Methyl orange-methylene blue mixed indicator solution Product Name:Methyl orange-methylene blue mixed indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY011-100ml Neutral red indicator solution Product Name:Neutral red indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY062-100ml Sodium eosin indicator solution (for microbial limit testing) Product Name:Sodium eosin indicator solution (for microbial limit testing) CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY022-100ml Methyl orange-xylene cyanol FF mixed indicator liquid Product Name:Methyl orange-xylene cyanol FF mixed indicator liquid CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY016-100ml Cresol red indicator solution Product Name:Cresol red indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024ZSY055-100ml Bromocresol green indicator solution Product Name:Bromocresol green indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024ZSY551-100ml Sodium diphenylamine sulfonate indicator solution Product Name:Sodium diphenylamine sulfonate indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY030-100ml Meta-cresol purple indicator solution Product Name:Meta-cresol purple indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021ZSY010-100ml Catechol purple indicator solution Product Name:Catechol purple indicator solution CAS No.:N/A Molecular Formula:
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