Proficiency Tests


DLA-Registration: Online-Form 2022 [get Form 2021 / 2022]

Special Offer - until 28th February 2022: For each 5 PT orders, you will receive a reference material of your choice free of charge
(applies to available materials up to 100 €, delivery from March 2022)

Here you may register your participation in the following proficiency tests directly.
Please mark the respective proficiency tests in the related column for „subscription“!

Subscription
(single)

Art.-No.
(Lot-No.)

Proficiency Test

Shipping Samples

Prize



1. Allergens - Elicitors of Allergies and Intolerance Reactions




Allergen-PTs (qualitative / quantitative) - Accredited Programs -

ptAL01 - 09: Two Samples (25g each) with Allergens in a Food Matrix, as pastry, chocolate spread or cereal muesli, are provided for qualitative and quantitative determination. One of these samples and the "Spiking Level Sample" were prepared adding the allergenic ingredients. The "Spiking Level Sample" (15g) contains the allergens in a simple matrix in similar amounts. The evaluation of results will be qualitative and quantitative. For information DLA calculates a recovery rate for the "positive"-sample and the "Spiking Level Sample". Any suitable method can be applied for analysis.


ptAL01
(Lot 22EgFiLu)

Allergens I: Egg, Fish and Lupin in Boiled Sausage with "Spiking Level Sample“
(3 different Samples)

January

296 €

ptAL02
(Lot 22SoGl)

Allergens II: Soya and Wheat (Gluten) in „gluten-free“ Pastry with
"Spiking Level Sample“
(3 different Samples)

February

265 €

ptAL03
(Lot 22MiGl)

Allergens III: β-Lactoglobulin, Casein and Gluten in Infant Food with "Spiking Level Sample“
(3 different Samples)

March

296 €

ptAL04
(Lot 22CeMuSe)

Allergens IV: Celery, Mustard and Sesame in Spice Crackers with "Spiking Level Sample“
(3 different Samples)

April

296 €

ptAL05
(Lot 22PeAlMi)

Allergens V: Peanut, Almond and Milk in Pastry with "Spiking Level Sample“
(3 different Samples)

August

296 €

ptAL06
(Lot 22GlHaPc)

Allergens VI: Gluten, Hazelnut and Pecan in Chocolate with "Spiking Level Sample“
(3 different Samples)

September

296 €

ptAL07
(Lot 22CrPeSo)

Allergens VII: Crustaceae, Peanut and Soya in Spice Crackers with "Spiking Level Sample“
(3 different Samples)

October

296 €

ptAL08
(Lot 22AlCoCw)

Allergens VIII: Almond, Coconut and Cashew in Instant Soup Powder with "Spiking Level Sample“
(3 different Samples)

December

296 €

ptAL09
(Lot 22MiEg)

Allergens IX: Milk and Egg White Proteins (Albumins, Lysozyme) in Wine with "Spiking Level Sample“
(3 different Samples)

November

296 €

ptAL10
(Lot 22Gl)

Allergens X: Gluten in „gluten-free“ Beer
(2 different Samples)

February

252 €

ptAL11
(Lot 22GlSo)

Allergens XI: Gluten and Soya in Oat Flour and Corn Flour
(4 different Samples)

June

296 €


Allergen-Screening (qualitative)

ptALS1-3: 4 Samples (20g each) with Allergens in a simple Carrier Matrix are provided. The evaluation of results is strictly qualitative with indication of the obtained agreements with the consensus values of the participants and the spiking of samples. For analysis ELISA (+ Lateral Flow), PCR and LC/MS can be applied.
Quantitative spiking levels are given in the reports.


ELISA
PCR
LC/MS

ptALS1
(Lot 22)

Allergen-Screening I - 4 Samples qualitative: Cashew, Hazelnut, Coconut, Macadamia, Almond, Brazil Nuts, Pecan, Pistachio, Walnut

March

360 €1
460 €2

ELISA
PCR
LC/MS

ptALS2
(Lot 22)

Allergen-Screening II - 4 Samples qualitative: Crustaceae, Egg, Fish, Milk, Molluscs, Mustard (yellow/white, brown and black), Soybean

June

360 €1
460 €2

ELISA
PCR
LC/MS

ptALS3
(Lot 22)

Allergen-Screening III - 4 Samples qualitative: Cereals containing Gluten (Wheat, Rye, Barley and Oat), Peanut, Lupine, Celery (Leaves / Stem, Root and Seed), Sesame (white and black)

October

360 €1
460 €2


prices 1) participation with one method, 2) participation with 2 or 3 methods



Allergen-Response of processed allergenic Ingredients

ptALR1-2: 5 Samples (20g each) of a differently processed Allergen are provided for qualitative and quantitative determination, a simple Carrier Matrix as well as a Blank Sample“ (Carrier Matrix). The individual processed ingredients of the samples are mixed gravimetrically by DLA each from 4 industrially manufactured products. The analytical methods are optional.


ptALR1
(Lot 22Ha)

Response PT Hazelnut: Processed samples of hazelnut (unroasted), nut butter (roasted), Nut Spread with Cocoa, Nut Nougat and
Nut Crocant in potato powder matrix (levels: 25 - 150 mg/kg)

shifted to
November

375 €

ptALR2
(Lot 22Ce)

Response PT Celery: Processed samples Celery Seeds (ground), Celery Leaves (ground), Celery Root (ground), Celery Seed Vegetarian Spread (heated) and in Spice Crackers (baked) in potato powder matrix
(levels: 25 - 150 mg/kg)

September

375 €


Action Level Matrix- ALM Verification

ptALM1-2: A kind of Calibration Set of 5 Samples (20g each) of an Allergen in a Specific Matrix is provided for qualitative determination as well as a „Blank Sample“ (Matrix). The allergen levels of the calibration row range from 1/10 to at least twice the Action Level 1 (VITAL concept 3.0) and judgment value of the German Commission ALTS/ALS. Valuation of PT-results is qualitative in Scores of 1-5 (Score 3 = Action Level successfully identified). Quantitative results will be reported for information. The analytical methods are optional.


ptALM1
(Lot 22Ha)

ALM-Verification Hazelnut: 5 Samples containing roasted Hazelnuts in Chocolate-Matrix (levels: 0,50 / 2,5 / 5,0 / 12,5 / 25 mg/kg), allergenic material: mixture of at least 4 hazelnut varieties

November

375 €

ptALM2
(Lot 22Ce)

ALM-Verification Celery: 5 Samples containing Celery Seed in Spice Mixture (powder) (levels: 1,0 / 5 / 10 / 25 / 50mg/kg), allergenic material: mixture of at least 4 sources of celery

May

375 €



Other Elicitors of Allergies and Intolerance Reactions



ptAI01
(Lot 22LaFr)

Lactose + Fructose in "lactose-free" Food (Cappuccino powder)
(2 different food matrix samples of 25g each, as well as a Spiking Level Sample (25g) with similar levels in simple matrix).

March

265 €


Allergen Swab Test (qualitative) - Wipe Test for Surfaces

ptASW1-2: There are 2 samples of a Test Surface with Allergens offered for the detection of each allergen by means of a wipe test (swab test). The allergens to be tested were attached to one test surface, while the other test surface is "negative". The evaluation is exclusively qualitative (positive/negative) with indication of the obtained agreement with the consensus values of the participants and the spiking of the surfaces. As a analitical test method, the Lateral-Flow-Test is particularly suitable. ELISA, PCR and LC/MS can also be used.


ptASW1
(Lot 22)

Allergen Swab Test I: Gluten, Peanut, Milk and Soya
(2 Test Surfaces per Allergen, qualitative)

March

360 €

ptASW2
(Lot 22)

Allergen Swab Test II: Egg, Fish, Hazelnut and Sesame
(2 Test Surfaces per Allergen, qualitative)

August

360 €


Allergen Rinsing Water Test (qualitative + quantitative)

ptARW: 3 washing solutions with different allergen contents are offered.

ptARW1
(Lot 22)

Allergen Rinsing Water Test I: Egg, Milk and Mustard
(3 test solutions with decreasing concentrations, qualitative + quantitative)

October

330 €



2. Mycotoxins





All Mycotoxin-PTs (qualitative + quantitative) - Accredited Programs -

2 different samples with "positive" or "negative" contents
qualitative evaluation: agreement pos/neg. in relation to EU Maximum Levels (EU/VO 1881/2006)
quantitative evaluation by z-scores



(up to 3)1
(up to 5)2

ptMYS1
(Lot 22Multi)

Mycotoxin-Screening: Aflatoxins, Ochratoxin A, Deoxynivalenol, Zearalenone and Fumonisins in Breaktfast Cereals (Muesli with corn and/or other cereal products, almonds and dried fruits),
2 different samples each 200g

April

380 €1
480 €2



1) Determination of up to 3 Parameters, 2) Determination of up to 5 Parameters


ptMY23
(Lot 22Ota)

Ochratoxin A in Grape Juice Concentrate
2 different samples each 50g

December

280 €

ptMY60
(Lot 22Pat)

Patulin in Apple Juice
2 different samples each 50g

November

280 €



3. Potentially toxic Compounds, Contaminants and Residues



ptTX01
(Lot 22Cum)

Cumarin in Pastry (Cookies)
2 samples each 50g

November

260 €

ptRE01
(Lot 22ClEth)

Ethylene oxide/2-Chloroethanol in Sesame
2 samples each 30g

April

260 €

ptRE02
(Lot 22ClEth)

Ethylene oxide/2-Chloroethanol in Spice Mixture 2 samples each 30g
2 samples each 30g

October

260 €

ptRE01
+ ptRE02

Order of both Ethylene Oxide/2-Chloroethanol Proficiency Tests
(with special discount)

April +
October

425 €

ptRE03
(Lot 22Rad)

Detection of Food Irradiation (Spices, ground + Herbs, rubbed)
2 different samples of spice mix (40 g each, irradiated / non-irradiated ) and 2 different samples of herb mix (40 g each, irradiated / non-irradiated )

October

285 €



4. Genitically modified Organisms



ptGMS1
(Lot 22MaSo)

GMO-Screening I (qualitative): 5 Samples with positive/negative amounts of p-35S, t-NOS, p-FMV, CP4 EPSPS, 35S-Pat, Cry1Ab/Ac / GMO-Maize (Bt11, MIR604) and GMO-Soya (RR GTS 40-3-2, RR2 MON89788) (5 different samples10g each)

May

310 €

ptGMS2
(Lot 22PoRaSu)

GMO-Screening II (qualitative): 5 Samples with positive/negative amounts of nptII, PAT, BAR / GMO-Potato Amflora (EH92-527-1), GMO-Rape Seed / Canola and GMO-Sugar Beet (5 different samples 10g each)

November

310 €

ptGMF
(Lot 22MaSoRa)

GMO-Determination in Feed (qualitative + quantitative):
GMO-Soya
(RR und RR2), GMO-Maize (2 Events), GMO-Rape Seed / Canola (1 Event) 2 different samples 10g each)

September

390 €



5. Nutrients, Additives and Authenticity



ptAU01
(Lot 22FiIn)

Dietary Fiber, soluble / insoluble Fiber and Inulin in Cereal Product
(2 different samples, 40g each with and without Inulin)

May

290 €

ptAU03
(Lot 22IFl)

Iodine and Fluorine in Table Salt (2 samples 200g each)

March

240 €

ptAU04
(Lot 22SuAl)

Sugar Alcohols (E420, E421, E953, E967, E968) in Pudding Powder
(2 samples 10g each)

July

280 €

ptAU06
(Lot 22Caf)

Methylcafestol, Kahweol and Cafestol in 3 Coffee Blends
(3 different samples 20g each)

July

280 €

ptAU07
(Lot 22Et)

Ethanol in Marzipan (2 samples 20g each)

November

250 €

ptAU08
(Lot 22Ap)

Persipan (Apricot) in Marzipan (2 different samples 25g each)

September

250 €


Animal Species-Screening (qualitative)

ptAUS1-5: 4 Samples or 6 Samples (ptAUS4) with portions of Animal Origin (meat, dairy, fish or crustacean products) are provided. The evaluation of results is strictly qualitative with indication of the obtained agreements with the consensus values of the participants and the spiking of samples. The analytical methods are optional.


ptAUS1
(Lot 22Meat)

Animal Species-Screening I – 4 Samples qualitative: Beef, Poultry (Duck and Chicken), Sheep and Goat in cooked Meat Product (Sausage Meat, 4 different samples 30g each)

February

360 €

ptAUS2
(Lot 22Meat)

Animal Species-Screening II – 4 Samples qualitative: Donkey, Horse, Pork and Poultry (Goose and Turkey) in cooked Meat Product
(Sausage Meat, 4 different samples 30g each)

April

360 €

ptAUS3
(Lot 22Milk)

Animal Species-Screening III – 4 Samples qualitative: Buffalo, Cow's, Sheep's and Goat's Milk in Dairy Product (Herder Cheese)
(freeze-dried Mixtures, 4 different Samples 20g each)

June

380 €

ptAUS4
(Lot 22SF)

Seafood-Screening – 6 Samples qualitative: Black halibut (Reinhardtius hippoglossoides), Atlantic salmon (Salmo salar), Pangasius (Pangasianodon hypophthalmus), Black Tiger Prawn (Penaeus monodon), Scampi (Nephros novegicus), freeze-dried, 5 samples (10g each) with only one of the indicated species, 6th sample (10g) mixed sample of 2-4 species

November

400 €

ptAUS5
(Lot 22PF)

Petfood-Screening III – 4 Samples qualitative: Elk, Lamb, Ostrich, Rabbit and Beef in Dry Dog Food (4 different samples 30g each)

September

360 €



6. Food Supplements and Dietetic Products



ptSU02
(Lot 22FaVi)

Food Supplement I: Vitamine A, E, D3, K1, β-Carotene, Coenzyme Q10 (Ubiquinone) and Alpha Lipoic Acid (enriched / high levels, 2 samples 50g each)

March

350 €

ptSU06
(Lot 22WaVi)

Dietetic Food I: Vitamins B1, B2, B6, B12, Biotin, Vitamin C, Folic Acid, Niacin and Pantothenic Acid (enriched / low levels, 2 samples 50g each)

October

350 €

ptSU08
(Lot 22Elem)

Minerals, Trace Elements and Heavy Metals in Infant Food,
approx. 20 Elements incl. As, Cd, Hg and Pb (mostly "natural" / partly low levels, 2 samples 8g each)

May

390 €

ptSU09
(Lot 22ToAa)

Total Amino Acid Composition in Food
(2 samples 10g each)

September

410 €



7. Cosmetic Products and Contact Materials



ptCO05
(Lot 22AnDa)

Cosmetic Products I: Zinc-Pyrithione, Piroctone Olamine and Climbazol in Anti-Dandruff Shampoo (2 samples 20g each)

February

275 €

ptCO07
(Lot 22Frag)

Cosmetic Products II: Allergenic Fragrances incl. Majantol in Skin Cream (2 samples 25g each)

March

390 €

ptCO08
(Lot 22F)

Cosmetic Products III: Fluoride in Toothpaste (2 samples 25g each)

May

230 €

ptCO09
(Lot 22FaSe)

Cosmetic products IV: Vitamin C, Niacinamide, Retinol, Hyaluronic Acid and Salicylic Acid in Face Serum (2 samples 25g each)

June

320 €

ptCM06
(Lot 22Elem)

Tattoo Product: Analysis of 13 Elements in Tattoo Dyes (As, Ba, Cd, Co, Cr, Cu, Hg, Ni, Pb, Sb, Se, Sn, Zn), 2 samples 5g each

November

320 €

DLA-No.
Please indicate!

Double Sample Material
Order of the following PT-numbers:

with PT shipment

85 €


The minimum number of participants is 10.
All prizes plus tax and plus shipping costs. Our general terms and conditions apply, see at www.dla-lvu.de

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€ 80,00 other countries (for example in South America and Asia)



Special Offer - until 28th February 2022:

For each 5 PT orders, you will receive a reference material
of your choice free of charge

(applies to available materials up to 100 €, delivery from March 2022)



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