This material was prepared by adding solutions containing cadmium, tin and lead to a
commercial tomato paste.
This material is intended for use in the validation of methods for the determination of
tin, lead and cadmium in a fruit or vegetable based material.
Certified Values
Cadmium .............. 0.112 ± 0.007 mg/kg Lead ..................... 0.316 ± 0.021 mg/kg
Tin ................................ 225 ± 11 mg/kg
Additional Material Information
Total Solids.............................. 290 g/kg
Sachets of potato powder were purchased from a commercial producer.
This material is intended for use in development, validation or quality control of
analytical methods for the determination of the sulfur dioxide in dry foods.
Assessed Value
Total Sulfur Dioxide ...... 212 ± 27 mg/kg
The raw material was collected from a private farm in the Czech Republic. The
mixture was cut and jet milled to pass a 250 µm nylon sieve. The resulting powder
was homogenised, separated in 20 g portions and placed in 60 mL bottles.
This material is intended for use in development, validation or quality control of
analytical methods for the determination of elements in vegetation.
Certified Values
Arsenic ................................ 0.28 mg/kg Manganese ........................... 171 mg/kg
Barium .................................. 107 mg/kg Mercury.............................. 0.027 mg/kg
Cadmium ............................. 0.17 mg/kg Nickel ..................................... 2.6 mg/kg
Calcium ............................. 1.53 g/100 g Nitrogen ............................ 2.01 g/100 g
Molybdenum ........................ 0.32 mg/kg Phosphorus .....................0.260 g/100 g
Magnesium ...................... 0.377 g/100 g Potassium ......................... 1.96 g/100 g
Chromium ............................ 2.15 mg/kg Strontium ................................ 64 mg/kg
Cobalt .................................. 0.47 mg/kg Sulfur ...............................0.174 g/100 g
Iron ....................................... 818 mg/kg Zinc ......................................... 24 mg/kg
Lead ...................................... 1.8 mg/kg
Indicative Values
Total aluminium ................... 0.1 g/100 g Total sodium ......................... 210 mg/kg
Extractable aluminium ....... 0.06 g/100 g Extractable sodium ................. 65 mg/kg
Copper ................................... 10 mg/kg Selenium .............................. 0.04 mg/kg
Lithium................................... 0.7 mg/kg Vanadium .............................. 1.8 mg/kg
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