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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:PCL-2024BZ452-20ml iodide standard solution Product Name:iodide standard solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ451-2ml Standard solution of cyanuric acid in water Product Name:Standard solution of cyanuric acid in water CAS No.:N/A Molecular Formula:
Product Number:GSB 04-2839-2011 standard solution of nitrite (nitrite) Product Name:standard solution of nitrite (nitrite) CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ483-50ml Standard substance for aniline solution in water Product Name:Standard substance for aniline solution in water CAS No.:N/A Molecular Formula:
Product Number:GSB 04-2838-2011 Standard solution of bromide ion (bromide) Product Name:Standard solution of bromide ion (bromide) CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ335-500ml Standard substance of disodium tetraborate decahydrate solution Product Name:Standard substance of disodium tetraborate decahydrate solution CAS No.:1303-96-4 Molecular Formula:
Product Number:PCL-2024RY081-500ml Strontium chloride solution, 20 g/L Product Name:Strontium chloride solution, 20 g/L CAS No.:N/A Molecular Formula:
Product Number:PCL-2024HC023-500ml Acetic acid-sodium acetate buffer, pH=5 Product Name:Acetic acid-sodium acetate buffer, pH=5 CAS No.:N/A Molecular Formula:
Product Number:PCL-#-TP004-500ml ascorbic acid solution Product Name:ascorbic acid solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024DD033-500ml ammonium iron sulfate titration solution Product Name:ammonium iron sulfate titration solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD203-500ml Sodium thiosulfate titration solution standard substance Product Name:Sodium thiosulfate titration solution standard substance CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ282-1L Standard solution of potassium iodate Product Name:Standard solution of potassium iodate CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY209-100ml Phenol reagent Product Name:Phenol reagent CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY208-100ml Thiourea solution Product Name:Thiourea solution CAS No.:N/A Molecular Formula:
Product Number:PCL-#-BSY027-100ml Brown standard colorimetric solution Product Name:Brown standard colorimetric solution CAS No.:N/A Molecular Formula:
Product Number:PCL-#-BSY018-5ml Brownish-yellow standard colorimetric solution Product Name:Brownish-yellow standard colorimetric solution CAS No.:N/A Molecular Formula:
Product Number:P196509-100ml phenolphthalein indicator Product Name:phenolphthalein indicator CAS No.:77-09-8 Molecular Formula:
Product Number:PCL-2024RY157-100ml Ammonia Product Name:Ammonia CAS No.:N/A Molecular Formula:
Product Number:S111506-1L standard solution of sodium hydroxide Product Name:standard solution of sodium hydroxide CAS No.:1310-73-2 Molecular Formula:
Product Number:A116375-500g Ammonium molybdate, tetrahydrate Product Name:Ammonium molybdate, tetrahydrate CAS No.:12054-85-2 Molecular Formula:
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