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:PCL-2023HJ857-2mL	Product Name:Mixed solution of 5 volatile halogenated hydrocarbons in methanol (GB11893/HJ670/HJ636/HJ/T199)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ631-1ml	Product Name:10 polybrominated diphenyl ethers in toluene	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ630-1ml	Product Name:10 PBBs in toluene/isooctane solvent mixture	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ624-500ml	Product Name:Binding solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ634-5ml	Product Name:Benzoic acid/sorbic acid/sodium saccharin/acesulfame mixed standard solution in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ632-100ml	Product Name:standard solution of nitrogen oxides	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ639-50ml	Product Name:Standard solution of nitrogen dioxide	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ638-1ml	Product Name:Mixture of 11 halogenated hydrocarbons in methanol (GB 24409/GB 18581-2020/GB 18582-2020)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ636-2ml	Product Name:Mixed standard solution of 8 benzenes (voc) in methanol (HJ1067/HJ583)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ653-50ml	Product Name:standard solution of chlorate	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ646-20ml	Product Name:pH QC	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ644-5ml	Product Name:Standard substance for sweetener solution in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ402-1ml	Product Name:Standard substance for aspartame solution in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ643-100ml	Product Name:Standard substance for carbonate solution in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ401-1ml	Product Name:18 phthalates in hexane \| GB5009.271-2016, GB31604.30-2016	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ408-1ml	Product Name:Standard substance for methanol solution in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ649-100ml	Product Name:ammonium cobalt thiocyanate solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ407-100ml	Product Name:Bromothymol blue solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ648-100ml	Product Name:isopropyl alcohol solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ406-100ml	Product Name:ethanol solution	CAS No.:N/A	Molecular Formula: