TETRAMETHYLAMMONIUM HYDROXIDE – TMAH
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 |