T/HEBQS 20-2023 Active Group standards

T/HEBQS 20-2023 Chlorite-intercalated hydrotalcite compounds

T/HEBQS 20-2023 Layered hydrotalcite-like compounds containing chlorite anions

Publish Date: 2023-07-01 Implement Date: 2023-07-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/HEBQS 20-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Lubricants, industrial oils, and related products

Publish Date: 2023-07-01

Implement Date: 2023-07-15

Scope

Main technical content: Project indicators MgO and Al2O3 molar ratio for Type I and Type II: 9.5–10.5 Chlorite ion mass fraction (%) ≥ 4.8 Heavy metals (calculated as Pb) w (%) ≤ 0.001 Iron (Fe) w (%) ≤ 0.01 pH (20 g/L suspension) 9.0–10.0 Whiteness 90 Dry matter loss (at 105°C) ≤ 0.5 Electron microscopy average particle size (nm) ≤ 100 Specific surface area (m2/g) 20–70 Chlorine dioxide release period (days) ≥ 90