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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

Fibers

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

Platelets

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