| TETRAMETHYLAMMONIUM HYDROXIDE – TMAH 25% |  |
DESCRIPTION:
Transene tetramethylammonium hydroxide (TMAH) is available as 25%, 10%, and 5% standard aqueous solutions. TMAH is an effective etchant and chelating agent ideal for removing residue and contaminants from semiconductor and electronic components.
Product Name: Tetramethylammonium Hydroxide 25% LM
Product Description: Tetramethylammonium Hydroxide 25%
Shelf Life: 1 year
| Assay Parameter | Unit | Specification LM Grade |
|---|---|---|
| Assay | % | 24.50-25.50% |
| Halide (as Cl) | ppm | 5 max |
| Carbonate (CO3) | ppm | 300 max |
| Silver | ppb | 3 |
| Aluminum | ppb | 3 |
| Calcium | ppb | 3 |
| Cobalt | ppb | 3 |
| Chromium | ppb | 3 |
| Copper | ppb | 3 |
| Iron | ppb | 3 |
| Potassium | ppb | 3 |
| Sodium | ppb | 3 |
| Nickel | ppb | 3 |
| Zinc | ppb | 3 |
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Transene Company’s quality system is ISO 9001:2015 certified.
A copy of our quality policy is available upon request.
Click here for a copy of our ISO certificate