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Test Solution

 Hengyuan Fine Chemical delivers ISO 17034:2016 certified test solutions for acid-base titration, trace metal analysis, and more. 

With ≤0.3% uncertainty and compliance with USP/EP/ChP standards, they are compatible with leading analytical instruments to support FDA/CNAS-accredited labs in pharma, environmental, and food industries.


Product Number Image Product Name CAS No. Molecular Formula
Product Number:PCL-2023BZ662-1.2ml 4-Nonylphenol-D8 solution in methanol standard substance Product Name:4-Nonylphenol-D8 solution in methanol standard substance CAS No.: Molecular Formula:
Product Number:PCL-2023RY017-250ml Sodium hydroxide titration solution standard substance Product Name:Sodium hydroxide titration solution standard substance CAS No.: Molecular Formula:
Product Number:P002611-100ml Tetramethylammonium hydroxide solution Product Name:Tetramethylammonium hydroxide solution CAS No.: Molecular Formula:
Product Number:PCL-2023BZ661-1ml Naphthalene-methanol standard solution [solution standard substance for liquid chromatography calibration] Product Name:Naphthalene-methanol standard solution [solution standard substance for liquid chromatography calibration] CAS No.: Molecular Formula:
Product Number:PCL-2021BZ153-100ml Nitrate ion standard solution Product Name:Nitrate ion standard solution CAS No.: Molecular Formula:
Product Number:PCL-2021BZ152-100ml Nitrite ion standard solution Product Name:Nitrite ion standard solution CAS No.: Molecular Formula:
Product Number:PCL-2023RY015-1L Fuchsin sulfite solution Product Name:Fuchsin sulfite solution CAS No.: Molecular Formula:
Product Number:PCL-2023BZ617-500ml Sodium sulfide standard solution Product Name:Sodium sulfide standard solution CAS No.: Molecular Formula:
Product Number:PCL-LS876-100ml Phosphate solution in water Product Name:Phosphate solution in water CAS No.: Molecular Formula:
Product Number:PCL-2021BZ151-100ml 10% Hexamethylenetetramine solution Product Name:10% Hexamethylenetetramine solution CAS No.: Molecular Formula:
Product Number:PCL-2023SY006-100ml Folin phenol test solution (solution B) Product Name:Folin phenol test solution (solution B) CAS No.: Molecular Formula:
Product Number:PCL-2021RY011-500ml Diphenylamine sulfuric acid solution Product Name:Diphenylamine sulfuric acid solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY010-1L p-Aminobenzenesulfonamide dilute hydrochloric acid solution Product Name:p-Aminobenzenesulfonamide dilute hydrochloric acid solution CAS No.: Molecular Formula:
Product Number:PCL-2021BZ081-200ml Opalescent suspension stock solution (Formazine suspension) Product Name:Opalescent suspension stock solution (Formazine suspension) CAS No.: Molecular Formula:
Product Number:PCL-2021SY216-100ml a-Naphthol ethanol solution Product Name:a-Naphthol ethanol solution CAS No.: Molecular Formula:
Product Number:PCL-2021BZ150-100ml 1-Ethylquinolinium iodide solution Product Name:1-Ethylquinolinium iodide solution CAS No.: Molecular Formula:
Product Number:PCL-2021BZ033-500ml 10% sulfuric acid solution Product Name:10% sulfuric acid solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY053-100ml Acetic acid diluted solution Product Name:Acetic acid diluted solution CAS No.: Molecular Formula:
Product Number:PCL-2020BZ041-100ml Standard phosphate solution Product Name:Standard phosphate solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY052-500ml Mercuric sulfate solution 50ml Product Name:Mercuric sulfate solution 50ml CAS No.: Molecular Formula:
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