Carbon Additive Inspection Standard

Carbon additive inspection standard

1. Particle size determination of carbon enhancer inspection standard

[National Standard] GB/T 6003.1 Technical requirements and inspection of test sieves Part 1: Metal woven mesh test sieve. The metal woven mesh test sieve should use standard sieve.

2. Ash content determination of carbon enhancer inspection standard

[National Standard] GB/T 1429 Determination of ash content of carbon materials.

3. Volatile content determination of carbon enhancer inspection standard

[National Standard] YB/T 5189 Determination of volatile matter of carbon materials.

4. Moisture content determination of carbon enhancer inspection standard

[National Standard] GB/T 24527 Determination of intrinsic moisture of carbon materials

5. Fixed carbon content determination of carbon enhancer inspection standard

[National Standard] GB/T 3521, 4.4 Fixed carbon content determination method - indirect carbon determination method.

6. Sulfur content regulations of carbonizer inspection standards

[National Standard] GB/T 24526 Method for determining the total sulfur content of carbon materials.

7. Nitrogen content determination of carbonizer inspection standards

Nitrogen analyzer or oxygen-nitrogen analyzer determines the nitrogen content in the graphitized carbonizer sample.

8. Resistivity determination of carbonizer inspection standards

[National Standard] GB/T 24521 Method for determining the resistivity of carbon raw materials and coke

9. Other carbonizer inspection standards

Packaging, storage and transportation: [National Standard] GB T 8719-2009 Packaging, marking, storage, transportation and quality certificate of carbon materials and their products

Numerical correction: [National Standard] GB/T 8170 Numerical rounding specification and expression and determination of limit values

Finally, the carbonizer will be divided into different grades after inspection according to the above physical and chemical inspection standards. In the selection process, we should also pay attention to the specific conditions of the manufacturer's site.