SPT - Single Proficieny Tests


DLA-Registration: Online-Form

New in DLA - Programme and orderable at anytime!


By means of a SPT (Single Proficiency Test), it is possible to participate individually and flexibly at any time, even outside the PT program, in a proficiency test.
The target values (assigned values) of the SPT test material are determined on the basis of known reference values from previous PTs / inter laboratory tests, contents of spiked analytes (reference standard) or by reference laboratories.
The evaluation of the participant results is usually carried out on the basis of z-scores as like for a regular PT.

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


Subsribe

DLA-No.

Single Proficiency Test (SPT)

Availability

Price



Elicitors of Allergies and Intolerance Reactions




Allergen-Response of processed allergenic Ingredients

5 Samples 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 at least 4 industrially manufactured products. The analytical methods are optional.


SPT1418

Response PT Hazelnut: Processed samples Hazelnut (not roasted), Nut Butter (roasted), Nut Spread with Cocoa, Nut Nougat and Nut Crocant in potato powder matrix (levels: 25 - 150 mg/kg)

from April 2019

354 €

SPT1518

Response PT Milk: Processed samples Milk, Whey, Yoghurt, Curd Cheese and Cream in potato powder matrix (levels: 25 - 150 mg/kg)

in stock

354 €

SPT1517

Response PT Peanut: Processed samples Peanut (unroasted), Peanut (roasted), Peanut Butter, Peanut Paste and Extrudate (Peanut-Flips) in potato powder matrix (levels: 25 - 150 mg/kg)

in stock

354 €

SPT1417

Response PT Soya: Processed samples Soya Flour, Soya Isolate, Soya Granulate, Soya Milk and Tofu in potato powder matrix (levels: 50 - 150 mg/kg)

in stock

354 €


Action Level Matrix- ALM Verification

A Calibration Set of 5 Samples 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 2.0) and judgement values 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 evaluated by Recovery Scores.

In case 5 independant results will be submitted for each concentration level your LOQ and LOD (or range of quantification) according to ISO 11843-5 (as precision profile) will be given in the SPT-report.

The analytical methods are optional.


SPT1717

ALM-Verification Gluten: 5 calibration samples containing Wheat Flour in Maize-Chips-Matrix (levels: 2,0 / 10 / 20 / 50 / 100 mg/kg)

in stock

354 €

SPT1618

ALM-Verification Hazelnut: 5 calibration samples containing roasted Hazelnut in Chocolate-Matrix (levels: 0,50 / 2,5 / 5,0 / 12,5 / 25 mg/kg), Allergenic Material: mixture of 4 peanut varieties

from April 2019

354 €

SPT1718

ALM-Verification Milk: 5 calibration samples containing Milk Powder in Cereal Pap-Matrix (levels: 0,25 / 1,25 / 2,5 / 12,5 / 25 mg/kg)

in stock

354 €

SPT1617

ALM-Verification Peanut: 5 calibration samples containing roasted Peanuts in Cookie-Matrix (levels: 0,50 / 2,5 / 5,0 / 12,5 / 25 mg/kg), Allergenic Material: mixture of 4 peanut varieties

in stock

354 €



Other Elicitors of Allergies and Intolerance Reactions



SPT1917

Food dyes in Sweets (up to 6 water soluble dyes 101, E102, E104, E110, E122, E124)

in stock

229 €

SPT101

Glutamate in Chinese menue

in stock

204 €



Mycotoxins



SPT2317

Fumonisins in Cereal Infant Food from Corn

in stock

254 €

SPT2417

Ochratoxin A in Coffee

in stock

204 €

SPT103

Ochratoxin A in Liquorice Powder

in stock

204 €

SPT2617

Ochratoxin A in Wine

in stock

204 €



Potentially toxic Compounds, Contaminants and Residues



SPT3017

Sudan Dyes in Spice Powder

in stock

254 €

SPT102

Contaminated Food: Heavy Metals (Pb, Cd, Hg, As) in Vegetable Powder

in stock

254 €



Nutrients, Additives and Ingredients of Quality



SPT3817

Steviosides in Plant Product

in stock

254 €

SPT4718

Food Supplement: Glucosamine in Capsule Powder

in stock

229 €



Cosmetic Products and Contact Materials



SPT4917

Cosmetic Products: Coffein in Hair Shampoo

in stock

229 €

SPT5117

Cosmetic Product: Aluminium in Deodorant

in stock

204 €


The SPTs will be shipped for each participant individually and usually within two weeks after placing the order.
All prizes plus tax and plus shipping costs.
Our general terms and conditions apply.
(shipment currently: € 12,50 in Germany, € 25,00 - € 35,00 into EU-Countries,25,00 – € 75,00 into non-EU/Overseas Countries)

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Download:

Registration form including prices (PDF-file)


DLA - Dienstleistung Lebensmittel Analytik GbR
Dr. Gerhard Wichmann & Dr. Matthias Besler-Scharf
Waldemar-Bonsels-Weg 170, 22926 Ahrensburg, Germany
Tel. +49-171-1954375 Fax. +49-04102-9944976
Email: proficiency-testing@dla-lvu.de