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:K049502-500ml		Product Name:standard solution of hydrochloric acid	CAS No.:7647-01-0	Molecular Formula:
Product Number:PCL-2024BZ339-2ml		Product Name:7 benzenes in methanol on a mixed scale	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ302-20ml		Product Name:Quality control samples for biochemical oxygen demand of water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ355-20ml		Product Name:water quality control samples for permanganate	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ313-20ml		Product Name:Hydrogen sulfide QC samples	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ310-20ml		Product Name:Quality control samples of aniline in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ356-20ml		Product Name:Water quality Chlorophyll a QC samples	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ317-20ml		Product Name:Quality control samples for bromide in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ359-20ml		Product Name:NOx QC samples	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ367-20ml		Product Name:Water quality control samples for hexavalent chromium	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ337-20ml		Product Name:Quality control samples of petroleum-based carbon tetrachloride	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ304-20ml		Product Name:Quality control samples of sulphate in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ306-20ml		Product Name:Volatile phenols in water QC samples	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ332-20ml		Product Name:Water quality antimony QC samples	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-HC013- 500ml		Product Name:Calcium hydroxide pH solution standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ113-50ml		Product Name:standard solution of potassium permanganate	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BY122-500ml		Product Name:A saturated solution of sodium chloride	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2020DD048- 500ml		Product Name:Potassium permanganate titration solution standard substance	CAS No.:7722-64-7	Molecular Formula:
Product Number:PCL-2024RY478-100ml		Product Name:ethanol solution of sulfuric acid	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY432-100ml		Product Name:Aluminum trichloride ethanol solution	CAS No.:N/A	Molecular Formula:

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