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.