Uni-chem Chemical Reagents Certificate Of Analysis -

This document is electronically signed and valid without wet signature.

He glanced back at the raw data printout from the spectrometer. uni-chem chemical reagents certificate of analysis

For labs operating under standards, keeping a CoA on file for every reagent used is a mandatory requirement for audits. It provides a "paper trail" of quality. Troubleshooting This document is electronically signed and valid without

Uni-Chem Acetonitrile (HPLC Grade) – Cat# UC-ACN-001 Batch: 2409-178B It provides a "paper trail" of quality

| Test | Specification | Result (Example) | | :--- | :--- | :--- | | | Clear, colorless liquid | Conforms | | Assay (GC) | ≥ 99.9 % | 99.95 % | | Water Content (KF) | ≤ 0.02 % | 0.008 % | | Residue after Evaporation | ≤ 0.0005 % | 0.0001 % | | UV Absorbance (200nm) | ≤ 0.05 AU | 0.03 AU |

: It clearly lists the Manufacturing Date and Expiration or Retest Date , helping labs manage inventory rotation effectively.

This is the heart of the document, typically presented in a table format: Parameters: