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EC number: 233-140-8 | CAS number: 10043-52-4
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
Description of key information
Tests on particle size distribution were performed on 4 samples of calcium chloride (powder of anhydrous CaCl2, crystalline CaCl2x2H2O, calcium chloride flakes and calcium chloride prills). These samples are considered to be typical examples of standard calcium chloride products manufactured by industry. The first two samples were measured by wet laser diffraction, the latter two by sieving. The following results were obtained:
- Sample 1 (Calcium Chloride 94-97% Powder): D10 = 8.2 μm (RSD = 35.0%); D50 = 93.2 μm (RSD = 12.3%), D90 = 304.2 μm (RSD = 2.5%) (measurements were performed in triplicate).
- Sample 2 (calcium chloride dihydrate, crystalline): D10 = 118.7 μm, D50 = 243.4 μm, D90 = 434.0 μm.
- Sample 3 (calcium chloride flakes): 4.30% < 0.5 mm, 8.90% < 1.0 mm; 25.88% < 2.0 mm; 92.23% < 4 mm; 99.97% < 6.3 mm
- Sample 4 (calcium chloride prills): 0.36% > 4 mm; 21.07% fall in the range 2.8-4 mm; 36.43% fall in the range 2-28.mm; 42.14% < 2 mm.
Additional information
Standard method determinations (laser diffraction by wet dispersion or sieving); adequate for assessment.
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