Table 2. Zinc Content in Leachate after Washing According to AATCC Test Protocol 1-2018 as Measured by ICP-OESa.
| leachate solution | Zn measured (ppm) |
|---|---|
| as prepared | 0.149 |
| stirred 30 min | below detection limit |
| stirred 60 min | below detection limit |
The leachate was exposed to cation exchange resin for 30 or 60 min under continuous stirring.