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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:S105024-100g sodium ascorbate Product Name:sodium ascorbate CAS No.:134-03-2 Molecular Formula:
Product Number:BW017403(有效期3个月) Sodium tetraphenylboron, standard substance for volumetric analysis Product Name:Sodium tetraphenylboron, standard substance for volumetric analysis CAS No.:143-66-8 Molecular Formula:
Product Number:PCL-2023RY002-250ml Saturated standard solution of potassium chloride Product Name:Saturated standard solution of potassium chloride CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ0175-1ml Standard substance for chloroethane solution in methanol Product Name:Standard substance for chloroethane solution in methanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ299-100mL Standard solution of calcium cyanamide Product Name:Standard solution of calcium cyanamide CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ522-20ml Water quality Hydrogen sulfide Product Name:Water quality Hydrogen sulfide CAS No.:N/A Molecular Formula:
Product Number:PCL-2024DD026-500ml sodium thiocyanate standard titrant Product Name:sodium thiocyanate standard titrant CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ520-1ml Methylisothiazolinone solution in methanol Product Name:Methylisothiazolinone solution in methanol CAS No.:2682-20-4 Molecular Formula:
Product Number:PCL-2024BZ519-1ml 1-methyl-2-pyrrolidone solution in methanol Product Name:1-methyl-2-pyrrolidone solution in methanol CAS No.:872-50-4 Molecular Formula:
Product Number:PCL-2024BZ518-1ml n-propyl bromide solution in methanol Product Name:n-propyl bromide solution in methanol CAS No.:106-94-5 Molecular Formula:
Product Number:PCL-2024BZ517-1.2ml Standard solution of 1,4-dioxane [D8] in methanol Product Name:Standard solution of 1,4-dioxane [D8] in methanol CAS No.:17647-74-4 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-2024HC003-100ml Barbiturate buffer stock solution (5x) Product Name:Barbiturate buffer stock solution (5x) CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY299-1ml methyl bromide solution in acetonitrile Product Name:methyl bromide solution in acetonitrile CAS No.:74-83-9 Molecular Formula:
Product Number:PCL-2024BZ515-500ml standard solution of peroxyacetic acid Product Name:standard solution of peroxyacetic acid CAS No.:79-21-0 Molecular Formula:
Product Number:PCL-NC0157 Standard substance for hexane hexacalcohol mixed standard solution Product Name:Standard substance for hexane hexacalcohol mixed standard solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2020HC055-1L Phosphate buffer, pH 7.8 Product Name:Phosphate buffer, pH 7.8 CAS No.:N/A Molecular Formula:
Product Number:PCL-2020HC011-1L barbiturate-sodium chloride buffer Product Name:barbiturate-sodium chloride buffer CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY359-500ml Hydrogen chloride-1,4-dioxane solution Product Name:Hydrogen chloride-1,4-dioxane solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ346-50ml standard solution of sodium acetate Product Name:standard solution of sodium acetate CAS No.:6131-90-4 Molecular Formula:
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