1. Agricultural residues: detection threshold: inhibition rate 5%, detection range: inhibition rate (0 ~ 100)%

2. Formaldehyde: lower detection limit: 1mg/kg, detection range: (0 ~ 100)mg/kg

3. Nitrite: lower detection limit: 1mg/kg, detection range: (0 ~ 100)mg/kg

4. Sulfur dioxide: lower detection limit: 1mg/kg; 5mg/kg, testing range :(0 ~ 100)mg/kg; Mg/kg (0 ~ 500)

5. White slabs: lower detection limit: 5mg/kg, detection range: (0 ~ 500)mg/kg

6. Protein: detection lower limit: 0.5%, detection range: (0 ~ 50)%

7. Nitrate: lower detection limit: 10mg/kg; 40mg/kg, testing range :(0 ~ 1000)mg/kg; Mg/kg (0 ~ 4000)

8. Heavy metal lead: lower detection limit: 0.5mg/kg; 0.2mg /L, detection range :(0 ~ 50)mg/kg; (0 ~ 20 mg/L)

9. Borax: lower detection limit: 5mg/kg, detection range: (0 ~ 100)mg/kg

10. Hydrogen peroxide: lower detection limit: 5mg/kg; 10 mg/kg; 100 mg/kg, testing range :(0 ~ 500) mg/kg; (0 ~ 1000) mg/kg; Mg/kg (0 ~ 10000)