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	Product Name	CAS No.	Molecular Formula
Product Number:A112646-500g	Product Name:Ammonium ferrous sulfate, hexahydrate	CAS No.:7783-85-9	Molecular Formula:
Product Number:C110828-250g	Product Name:Copper sulfate, anhydrous	CAS No.:7758-98-7	Molecular Formula:
Product Number:D100398-25g	Product Name:Sodium diphenylamine sulfonate	CAS No.:6152-67-6	Molecular Formula:
Product Number:T107617-100g	Product Name:anhydrous stannous chloride	CAS No.:7772-99-8	Molecular Formula:
Product Number:Z112714-500g	Product Name:Zinc granules	CAS No.:7440-66-6	Molecular Formula:
Product Number:PCL-2024RY169-1ml	Product Name:benzalkonium bromide solution in methanol	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY168-1ml	Product Name:Decamethylammonium bromide solution in methanol	CAS No.:2390-68-3	Molecular Formula:
Product Number:PCL-2024HC007-100ml	Product Name:ethylenediamine-hydrochloric acid buffer	CAS No.:N/A	Molecular Formula:
Product Number:GBW(E)130415	Product Name:Potassium chloride conductivity solution standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-2024BZ222-100ml	Product Name:Standard substance for thiosulfate ion solution in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SY022-50ml	Product Name:Molybdenum standard solution, 1000μg/mL	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SY021-100ml	Product Name:Calcium standard solution, 1000mg/L	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SY006-100ml	Product Name:Boron standard solution, 1000mg/L	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024DD017-500ml	Product Name:Mercury nitrate titration solution standard, 0.001 mol/L	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-2024BZ210-250ml	Product Name:sucrose solution	CAS No.:57-50-1	Molecular Formula:
Product Number:PCL-2024RY038-1L	Product Name:Diammonium hydrogen phosphate solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2020DD013-250ml	Product Name:tetrabutylammonium hydroxide titrant	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BSY053-5ml	Product Name:Triethylene glycol	CAS No.:112-27-6	Molecular Formula:
Product Number:PCL-2024BZ666-100ml	Product Name:Standard substances for analyzing the composition of chloride ions in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY222-500ml	Product Name:sodium hydroxide bromide solution	CAS No.:N/A	Molecular Formula: