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:K0169548-250ml	Product Name:Chlorine test solution (Pharmacopoeia)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024DD260-500ml	Product Name:Standard substances for potassium hydroxide titration solutions made from ethanol	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023BZ806-2ml	Product Name:Naphthalene-methanol solution standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021SY033-250ml	Product Name:p-Aminobenzenesulfonic acid-a-naphthylamine test solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ1128-100ml	Product Name:control solution for solid paraffin	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY121-100ml	Product Name:Copper(II) dihydroxide ethylenediamine solution	CAS No.:14552-35-3	Molecular Formula:
Product Number:GBW(E)130167	Product Name:Liquid chromatograph calibration solution standard (naphthalene-methanol solution)	CAS No.:N/A	Molecular Formula:
Product Number:BWQ8458-2016	Product Name:Standard substance for n-hexadecane solution in iso-octane (for gas chromatograph calibration)	CAS No.:N/A	Molecular Formula:
Product Number:BWZ8220-2016	Product Name:Standard substance for barium perchlorate titration solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-NC067	Product Name:Mixed standard of 208 pesticides in ethyl acetate/acetone/GB 23200.113-2018	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021SY188-500ml	Product Name:trinitrophenol test solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ696-100ml	Product Name:Sodium silicate solution labeled	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Tr085-1ml	Product Name:Standard substance for triphenyl phosphate solution in acetonitrile	CAS No.:115-86-6	Molecular Formula:
Product Number:PCL-2024RY1008-100ml	Product Name:Chloroimino-2,6-dichloroquinone test solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY1011-100mL	Product Name:Picric acid solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ695-100ml	Product Name:Sodium silicate solution standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2025HC001-1L	Product Name:PH 1.0 buffer	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ167-100ml	Product Name:Potassium hydrogen phthalate solution standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ1015	Product Name:Quality control samples of chloramphenicol in cosmetics	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ1011	Product Name:Quality control samples of sorbic acid in apple juice	CAS No.:N/A	Molecular Formula: