รายละเอียด
ทดสอบกระดาษ : น้ำหนัก
ตรวจ : -Lead
-Cadmium
-Heavy metal (calculated as lead)
-Potassium permanganate used in the reaction
-Residues evaporable in water (in case of food of which pH
value exceeds 5)
-Residues from substances evaporable in 4% acetic acid
(in case of food of which pH value does not exceed 5)
-Residues from substances evaporable in 20% alcohol (in
case of alcoholic food)
-Residues from substances evaporable in n-heptane (in
case of fats, oils or fatty food
ตรวจแบคทีเรีย : staphylococcus aureus , salmonella spp.