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GB/T 4984-2023 Active
GB/T 4984-2023 Chemical analysis of refractories containing zirconia
Abstract
This document specifies the chemical analysis methods for zirconium-containing refractory materials. The analysis items of this document are as follows:
a) Loss on ignition (LOI);
b) Silica (SiO2);
c) Alumina (Al2O3);
d) Zirconium oxide (hafnium) [Zr(Hf)O2];
e) Zirconium oxide (ZrO2);
f) Hafnium oxide (HfO2);
g) Titanium dioxide (TiO2);
h) Iron oxide (Fe2O3);
i) Potassium oxide (K2O);
j) Sodium oxide (Na2O);
k) Calcium oxide (CaO);
l) Magnesium oxide (MgO);
m) Manganese oxide (MnO);
n) Phosphorus pentoxide (P2O5);
o) Chromium trioxide (Cr2O3);
p) Yttrium oxide (Y2O3).
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 4984-2023 |
| CCS | Fire-resistant materials |
| ICS | Fire-resistant materials |
| Implement Date | 2024-07-01 |
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