Method Name

Analyte(s)

Type of sample (matrix)

Analytical Technique

Determination of total (overall) migration A

–

plastics

gravimetric technique

Proof of the presence of certain ions

S^2-, HS^-, SO₂^2-, NH₄⁺

rubbers

visual

Determination of oxidizable compounds

–

silicone elastomer

titration

Residue after evaporation from leach

–

rubber and silicone elastomer

gravimetric technique

Determination of metals by AAS (= Atomic Absorption Spectroscopy)

Cd, Pb, As, Sb, Cr, Se, Ba, Hg, Ni, Co, Cu, Fe, Li, Mn, Zn

stainless steel, plastics

AAS

Determination of Cd and Pb by AAS in silicates A

Cd, Pb

silicates

AAS

Determination of metals by XRF (= x-ray fluorescence spectroscopy)

most of elements

plastics, stainless steels, alloys

XRF

Identification of plastic type by FTIR (= Fourier Transform Infrared Spectroscopy)

most of plastic type

plastics

FTIR

Determination of sum of PAA (= primary aromatic amines)

PAA

SM (= specific migration) from plastics

UV-VIS (= Ultraviolet-visible spectroscopy)

Determination of individual PAA

o-aminoazotoluene, 4-aminodiphenyl benzidine, 4-chloroaniline, 4-chloro-orthotoluidine, cresidine, 2,4-diaminoanisole, 4,4'-diaminodiphenylmethane, 3,3'-dichlorobenzidine, 3,3'-dimethylbenzidine, 3,3'-dimethyl-4,4'-diaminodiphenylmethane, 4,4'-methylene-bis-(2-chloroaniline), 2- naphthylamine, 4,4'-oxydianiline, 4,4'- thiodianiline, 2,4-toluenediamine, o- toluidine, 2,4,5-trimethylaniline, o-anisidine, aniline, 3,3’-dimethoxybenzidine

SM from plastics

HPLC-MS/MS (= high performance liquid chromatography with mass spectrometry detection)

Determination of formaldehyde

formaldehyde

SM from plastics, leaches from lacquers and antiadhesives

UV-VIS

Determination of phenols

phenols

lacquer, antiadhesive

UV-VIS

Confirmation of resistance to corrosion

–

stainless steel

visual

Determination of resistance to water

–

glass

titration

Confirmation of absence of organotin stabilizers

–

plasticized PVC

visual

Confirmation of absence of brigtenings

–

papers, plastics

UV lamp, visual

Determination of epoxy derivatives

BADGE, BADGE.H₂O, BADGE.2H₂O, BADGE.HCl, BADGE.2HCl, BADGE.H₂O.HCl, BFDGE, NOGE

SM from lacquer

HPLC-MS/MS

Determination of vaporable compouds

–

silicone elastomer

gravimetric technique

Determination of phtalates and other plasticizers A

DnBP, BeBP, DEHxP, diallylphthalate and phthalic acid, diesters with primary, saturated C₈-C₁₁ alcohols
DEHA, TBAC, BHT and others

Plastics, SM from plastics, stuffs, water

GC-MS (= Gas Chromatography with Mass Spectrometry Detection)

Determination of ESBO (= epoxidized soybean oils)

ESBO

Plastics, SM from plastics, stuffs

GC-MS

Determination of monomers and volatile compounds

acetaldehyde, propanal, acrylonitrile, 1,1-dichloroethylene, isoprene, vinylacetate, 1-hexene, 1-octene, 1,3-butadiene, vinylchloride

SM from plastics

GC-MS

Determination of glycols

monoethylene glycol, diethylene glycol

SM from plastics (PET)

GC-MS

Determination of benzophenones

benzophenone, 4-methylbenzophenone, 4-hydroxybenzophenone

Plastic stuffs, paper, milk, cereals

GC-MS

Challenge test

chlorbenzene, 1,1,1-trichlorethane, methylstearate, benzophenone, acetylacetone, o-cresole, limonene, phenylcyclohexane, toluene

Coctail, PET (flakes, regranulates, preforms, bottles)

GC-MS

Determination of dicarboxylic acids

2,6-naphthalenedicarboxylic acid, terephthalic acid, isophthalic acid

SM from PET

HPLC-MS/MS

Determination of other compounds by HPLC-MS/MS

acrylamide, 11-aminoundecanoic acid, 12-aminododecanoic acid, 1,3-benzenedimethanamine, Bisphenol A (BPA), 2,2-bis(4-hydroxyphenyl)propane bis(phthalic anhydride), 4,4 -dihydroxydiphenyl sulphone (bisphenol-S), semicarbazide, 4,4'-dihydroxybenzophenone, 4,4'-dihydroxybiphenyl, maleic acid, melamine

SM from other plastics

HPLC-MS/MS

Determination of other compounds by GC-MS

Diphenyl-carbonate, acrylic acid, 1,2-dihydroxybenzene, 1,3-dihydroxybenzene, 1,4-dihydroxybenzene, 2,6-dimethylphenol, methacrylamide, allyl-methacrylate, cyclohexyl-methacrylate, 2,3-epoxypropyl- methacrylate, 2-ethylhexyl- methacrylate, caprolactame

SM from other plastics

GC-MS

Proof of the presence of bisphenol A

bisphenol A

nursing bottle (PC)

HPLC-MS/MS

Sensor evaluation

smell, taste

All FCM

–

Service offers

Complete analyses including sensory analysis of all types of materials (plastics, ceramics, paper, rubber, metals, metallic and non-metallic surface finish, cork and cellophane), which come into direct or indirect contact with food, according to legislative requirements. Results of analyses can be fully used as documentation for Declaration of compliance according to Article 16 of Regulation No 1935/2004.

Information:
NRL for food contact materials and for articles for children under 3 years old

Head: Ing. Jika Sosnovcová

Information: Ing. Lenka Votavová, tel.: +420 26708 2337 (2389), fax: +420 26708 2554, votavova@szucz

Expert opinions based on analyses results interpretation or expert opinions based on documentation according to Article 16 of Regulation No 1935/2004.

Certificate of compliance of product with legislation in Czech or English. Photographs of assessed products are a part of certificate.

Specialized analyses of material coming to direct or indirect contact with food, which can be used for health risk assessment.

Consultation in area of materials and products intended to come into contact with food.