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Table 1 The diverse materials used in the algal growth inhibition tests

From: Testing particles using the algal growth inhibition test (OECD 201): the suitability of in vivo chlorophyll fluorescence measurements

Material short name Supplier State of material Average primary particle size
Cu_fiber Novarials Powder 228 nm; length 6.1 µma
TiO2_fiber Novarials Powder 61 nm; length 1.4 µma
SiC_thin ACS Materials Powder 190 nm; length 11.7 µma
Ag-ES-4 DODUKO Powder 15–25 µmb
Spheres / compact particles
PMMA (poly(methylmethacrylate)) Polysciences Dispersion (2.5 wt%) 0.3 µmb
PE_broad_distribution (polyethylene) Cospheric Powder 0.2–9.9 µmb
PA-6 (polyamide) BASF SE Powder 42.2 µmc
IN718 (Ni alloy) ZOZ Powder 10.8 ± 9.2 µma
Ti64 (Ti alloy) ZOZ Powder 17.7 ± 14.4 µm a
IN-Y2O3 (complex alloy composite) ZOZ Powder 26.1 ± 12.5 µm; thickness 3.6 ± 3.1 µma
Ti64-SiC (complex alloy composite) ZOZ Powder 37.9 ± 12.6 µm; thickness 11.0 ± 6.3 µma
  1. aSize determined by scanning electron microscopy. bSupplier data. cParticle size distribution determined using a Mastersizer 3000 (MV Hydro unit); Dx50 presented