(1) Feem ntau yog siv los ua zaub mov ntxiv; soft water agent, thiab lwm yam.
| Yam khoom | RESULT (Tech qib) | RESULT (Qib zaub mov) |
| Cov ntsiab lus tseem ceeb % ≥ | 68.0 ua | 68.0 ua |
| Inactive phosphates % ≥ | 7.5 | 7.5 |
| Fe% ≤ | 0.03 ib | 0.02 ib |
| PH ntawm 1% tov | 5.8-7.0 Nws | 5.8-6.5 |
| Dej insoluble % ≤ | 0.04 ib | 0.06 ib |
| Cov hlau hnyav, raws li Pb % ≤ | / | 0.001 ib |
| Arisenic, raws li % ≤ | / | 0.0003 |
Pob:25 kg / hnab los yog raws li koj thov.
Cia:Khaws ntawm qhov chaw ventilated, qhuav.
Executive Standard:International txuj.