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Standard Solution (Certified Reference Material, CRM)

 Hengyuan Fine Chemical is an authorized distributor of PCL brand standard solutions.
• CNAS-certified reference material producer, utilize ultra-high-purity raw materials to prepare precise standard solutions for trace analysis, content determination, and other applications, ensuring data traceability to international metrological benchmarks (e.g., NIST).
• Products strictly comply with USP/EP/ChP pharmacopeial standards, with full-process cold-chain logistics, batch consistency verification, and stability testing to guarantee long-term concentration stability, compatible with HPLC, GC, ICP-MS, and other precision instruments.
• Offering customizable concentration gradients, multi-industry solutions (pharmaceuticals, environmental monitoring, food safety), and CNAS compliance support, Hengyuan Fine Chemical enhances clients’ testing efficiency, reduces quality control risks, and aims to become your trusted partner.

Product Number Image Product Name CAS No. Molecular Formula
Product Number:PCL-2023BZ394‐500ml Reference Material for Aqueous Suspended Matter Solution 60mg/L Product Name:Reference Material for Aqueous Suspended Matter Solution 60mg/L CAS No.: Molecular Formula:
Product Number:PCL-2024BZ138-500ml Reference Material for Aqueous Suspended Matter Solution 100mg/L Product Name:Reference Material for Aqueous Suspended Matter Solution 100mg/L CAS No.: Molecular Formula:
Product Number:PCL-2021BZ787-500ml Reference Material for Aqueous Suspended Matter Solution 1000mg/L Product Name:Reference Material for Aqueous Suspended Matter Solution 1000mg/L CAS No.: Molecular Formula:
Product Number:PCL-2025BZ237-500ml Reference Material for Aqueous Suspended Matter Solution 500mg/L Product Name:Reference Material for Aqueous Suspended Matter Solution 500mg/L CAS No.: Molecular Formula:
Product Number:PCL-2025BZ238-500ml Reference Material for Aqueous Suspended Matter Solution 2000mg/L Product Name:Reference Material for Aqueous Suspended Matter Solution 2000mg/L CAS No.: Molecular Formula:
Product Number:PCL-2024BZ516-1ml 2,2',3,3',4,4',5,5',6,6'-decachlorobiphenyl solution in hexane Product Name:2,2',3,3',4,4',5,5',6,6'-decachlorobiphenyl solution in hexane CAS No.:2051-24-3 Molecular Formula:
Product Number:PCL-2024RY345-10ml*18支 Gardner's color standard solution Product Name:Gardner's color standard solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY532-500ml Ferring's Reagent (B Liquid) Product Name:Ferring's Reagent (B Liquid) CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY531-500ml Ferring's Reagent (Liquid A) Product Name:Ferring's Reagent (Liquid A) CAS No.:N/A Molecular Formula:
Product Number:D155475-25g Dicyclohexylmethane 4,4'-diisocyanate (mixture of isomers) Product Name:Dicyclohexylmethane 4,4'-diisocyanate (mixture of isomers) CAS No.:5124-30-1 Molecular Formula:
Product Number:GBW(E)082549 Standard substance for hydrochloric acid titration solution Product Name:Standard substance for hydrochloric acid titration solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY739-100ml 2,2-Diphenyl-1-picrylhydrazyl solution in anhydrous ethanol Product Name:2,2-Diphenyl-1-picrylhydrazyl solution in anhydrous ethanol CAS No.:1898-66-4 Molecular Formula:
Product Number:PCL-2025RY025-500ml Thorium nitrate solution Product Name:Thorium nitrate solution CAS No.:13823-2-5 Molecular Formula:
Product Number:PCL-2021BZ054-1ml Oxidation of chlordane in hexane Product Name:Oxidation of chlordane in hexane CAS No.:N/A Molecular Formula:
Product Number:PCL-2021BZ052-1.2ml Standard solution of heptachlor epoxide in methanol Product Name:Standard solution of heptachlor epoxide in methanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ1088-50ml Standard substance for 1,4-dioxane solution in water Product Name:Standard substance for 1,4-dioxane solution in water CAS No.:123-91-1 Molecular Formula:
Product Number:PCL-2025RY010-1L ammonium thiocyanate solution Product Name:ammonium thiocyanate solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2025ZSY001-1L Ammonium iron sulfate indicator solution Product Name:Ammonium iron sulfate indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2025RY009-1L Chloride ion solution standard, 0.025mo1/L Product Name:Chloride ion solution standard, 0.025mo1/L CAS No.:N/A Molecular Formula:
Product Number:PCL-2025RY008-1L Sodium hydroxide solution, 5.5x10-3mo1/L Product Name:Sodium hydroxide solution, 5.5x10-3mo1/L CAS No.:N/A Molecular Formula:
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