Your process already exists — written in procedures, batch records, and spreadsheets that describe the work but never run it. Bring one and watch it become a controlled Seal workflow, with a validation pack your team can inspect, in 48 hours.
4.1Add 47.7 g of sodium acetate trihydrate to approximately 800 mL of WFI and stir until fully dissolved.
4.2Adjust pH to 5.2 ± 0.1 with glacial acetic acid.
4.3QS to 1.0 L with WFI. Record lot numbers of all materials.
5.1Verify conductivity is 8–12 mS/cm at 25 °C. A second operator shall verify each weight.
6.1Record all values in the batch record. QA review is required before release.