ENVO Tetrakis(hydroxymethyl)phosphonium Sulfate Purchasing checklist
Purpose: prepare for a purchasing discussion. This is not a TDS, SDS or batch COA.

1. Is the target SRB, APB, slime or confirmed MIC? ________________
2. What are the salinity, temperature and sulfide ranges? ________________
3. Which reinjection or fracturing-fluid performance parameters must be maintained? ________________

Specification details to confirm
Active ingredient and impurities: Define the purchasing and trial product consistently.
Salinity, temperature and sulfides: Reflect actual oilfield conditions.
Target organisms and test methods: Distinguish targets such as SRB/APB and their test results.
Compatibility with polymers, corrosion inhibitors and demulsifiers: Protect downstream process performance.

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