Nitrate analysis of pesticide residues in vegetables
Model : YN-CLVI
Technical parameters:
|
Stability |
displayed number(transmittance measurement) drift is less than 0.7 % (A) , within 3 minutes after powering on for 20 minutes |
|
Sensitivity |
Kλ≥3.4×10-3 , (testing in Potassium dichromate standard solution). |
|
Repeatability |
error ≤ 0.003 (A) , (testing in Potassium dichromate standard solution) |
|
Linear error |
Absorbance range: 0.1~0.3,linear error ≤±6% ;0.3~0.6 , linear error: ≤ ±4% ;0.6~0.8,linear error ≤ ±5%(testing in Potassium dichromate standard solution) |
|
Power consumption |
≤ 5W |
|
Cultivate heating power |
≤ 100W |
Testing Limitation:
Arsenic 0.1mg/kg, lead 0.05mg/kg, chromium 0.01mg/kg, mercury 0.01mg/kg, sodium nitrite 0.005mg/kg, sodium formaldehyde sulfoxylate 5mg/kg, formaldehyde 0.2 mg/kg , methyl Topsin , 0.45μg/mg, 0.025μg/mg , organophosphorus carbamate pesticide 0.3μg/mg , Sulfur dioxide 1.0mg/kg .
Testing Items:
It can test Pesticide residue, nitrite / nitrate, sodium formaldehyde sulfoxylate, sulfur dioxide, formaldehyde, heavy metals ( lead, mercury, arsenic, chromium, cadmium ), hydrogen peroxide, protein, residual chlorine, thiram thiophanate methyl, insecticide, gibberellin, melamine, benzoyl peroxide, methanol, sodium cyclamate, saccharin sodium, potassium aluminum sulfate, potassium bromate, potassium sorbate, leather hydrolyzed protein, sodium cyclamate, sodium benzoate, fungus magnesium sulfate, soy amino nitrogen, total acid in vinegar .
1.Heavy metal in the food .
2.Pesticide residue in the food .
3.Nitrate and nitrite in the food .
4.Formaldehyde, sulfoxylate, Sulfur dioxide .
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