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Certificate of Analysis

YSI Incorporated

Yellow Springs Instrument Co., Yellow Springs, Ohio 45387 USA

Phone: 937 767-7241 | Toll-Free: 800 765-4974 | Fax: 937 767-9353

Product Details

Product Category: Buffer and solid products

Product Model Number: 2392

Lot Number: 25G100265

Method: Verification of mass

Analysis Results

Determination	Specification	Result
Average Mass	0.20-0.30 grams	0.25 g

Compliance Statement

The procedures used to manufacture and test this product have been verified by QA for compliance. The electronic signature below is representative of the Chemistry Technician testing and verifying conformity to acceptance criteria.

Completed by: Amanda Fenner

Date: 7/18/2025

[ISO 9001 Certified] YSI INCORPORATED

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