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Proficiency testing

INTERLABORATORY PROFICIENCY TESTING SCHEMES   

Among the services provided by the Chemical Metrology Service of the General Chemical State Laboratory are the development, design, co-ordination, distribution and subsequent evaluation of interlaboratory proficiency testing schemes. Since 2012, the service has been accredited by E.SY.D. (the Greek accreditation body) according to ISO/IEC 17043:2010 (Certificate number 814). The protocol employed for planning and operating proficiency testing schemes fullfills these requirements.

Several testing schemes are available under the SCHEMA logo (Scheme for CHEmical Measurement Assessment). In case you wish to express your interest in participating in one or more of the interlaboratory proficiency testing comparisons which are available for the 2018-2019 period, please supply the data for your organization by completing the respective fields in the registration form and return it, either by fax (to +302106479114), or by e-mail (to schema@gcsl.gr)

Please find below the distribution programme of PTs available for the 2018‑2019 period:  

    

PT code

substrate

parameters

date of  dispatch

SCHEMA

12 09

spirit drinks

alcoholic strength, volatile congeners, phthalate esters

10th 2018

SCHEMA

90 08

olive oil

K232, K270, ΔΚ, ΔΕCN42, peroxide value, acidity, FAMEs, FAΕEs,

waxes, biophenols, stigmastadienes, sterols, diols,

moisture and volatile matter, water (KF)

10th 2018

SCHEMA

24 08

waste water

pH, TDS, TSS, BOD, COD, Cr (VI), N, P,

heavy metals (As, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Zn)

11th 2018

SCHEMA

50 10

diesel fuel oil

density, flash point, sulfur, water, FAME, acid number

cloud point, kinematic viscosity, cetane index, CFPP, pour point,

carbon residue on 10% distillation residue, ash

distillation characteristics, copper strip corrosion,

11th 2018

SCHEMA

51 12

solid fuel

calorific value, moisture, ash, VOCs, elemental analysis (C,H,N), sulfur (S)

12th 2018

SCHEMA

21 10

surface water

pH, conductivity, hardness, total N, P, TDS

anions: F-, Cl-, Br-, NO2-, NO3-, SO42-, PO43- cations: Na+, K+, NH4+, Ca2+, Mg2+

12th 2018

SCHEMA

70 08

honey

moisture, conductivity, sugars, HMF, diastase, thyme pollen

1st 2019

SCHEMA

64 01

corn snacks

moisture, ash, fat, carbohydrates, proteins, dietary fibres,

energy value, acrylamide

1st 2019

SCHEMA

13 09

wine

alcoholic strength, acidity (volatile & total), SO2 (free & total), pH

2nd 2019

SCHEMA

91 06

virgin olive oil

sensory evaluation

2nd 2019

SCHEMA

92 03

vegetable  oil

3-MCPD, glycidyl esters, PAHs, phthalate esters

3rd 2019

SCHEMA

40 05 

fruit juice

pH, brix%, acidity, sugars, ochratoxin A

3rd 2019

SCHEMA

22 09

surface water

heavy metals

Ag, Al, As, B, Ba, Cd, Co, Cr, Cu, Fe, Hg, Mn, Mo, Ni, Pb, Sb, Se, Sn, Zn

4th 2019

SCHEMA

50 11

marine fuel oil

density, flash point, sulfur, ash, water, acid number,

kinematic viscosity, cetane index, pour point, cloud point,

carbon residue: micro method on 10% distillation residue

 

4th 2019

SCHEMA

62 07

cocoa powder

metals (As, Ca, Cd, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, Pb, Zn)

5th 2019

SCHEMA

30 10

ceramics

Pb and Cd migration

5th 2019

SCHEMA

51 13

solid fuel

calorific value, moisture, ash, VOCs, elemental analysis (C,H,N), sulfur (S)

6th 2019

SCHEMA

80 06 

bakery products

preservatives (sorbic, propionic acid)

7th 2019

  

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