Proficiency Testing № PTS 22/08-2

Dear colleagues,

It is our pleasure to invite you to take part in proficiency testing № PTS 22/08-2 by means of an interlaboratory comparison.

The subject of testing will be product “Aggregates (fine or all-in)” under standard methods and parameters, pointed below.

The product and the parameters are under the scope of accreditation of PT Provider PTS Bulgaria at PTS Bulgaria Ltd.

You may find more details in the Detailed PT plan and the Invitation for participation in section “Documents for participation.

Subjects of the proficiency testing

Aggregates (fine or all-in)

Testing

Number of participantions Code Name Characteristics

*EN 1097-5

Tests for mechanical and physical properties of aggregates - Part 5: Determination of the water content by drying in a ventilated oven

Water content

*EN 1097-3

Tests for mechanical and physical properties of aggregates - Part 3: Determination of loose bulk density and voids

Loose bulk density

*EN 933-8+А1

Tests for geometrical properties of aggregates - Part 8: Assessment of fines - Sand equivalent test

Sand equivalent

*EN 933-9

Tests for geometrical properties of aggregates - Part 9: Assessment of fines - Methylene blue test

Methylene blue value

*EN 933-1

Tests for geometrical properties of aggregates - Part 1: Determination of particle size distribution - Sieving method

Particle size distribution

*EN 933-1

Tests for geometrical properties of aggregates - Part 1: Determination of particle size distribution - Sieving method

Fines content

* All tests will be carried out according to the last valid versions of the pointed standards!

Application for participation

  1. Basic information
  2. Details
  3. Subject under test
Basic information

Forward to details

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  2. Details
  3. Subject under test
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  1. Basic information
  2. Details
  3. Subject under test
Number of participantions

Aggregates (fine or all-in)

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