Sodium Metaphosphate
Appearance: white powder. Chemical name: Sodium Metaphosphate. CAS: 10361-03-2. Chemical formula: NaPO3.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Relative molecular mass [T/SHXCL0007-2021 Table 1, based on the 2014 international relative atomic masses] | 101.96 |
| Appearance [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, shared by grades Ⅰ/Ⅱ/Ⅲ; sample predried at 105℃±2℃ to constant mass] | White powder |
| Na₂O mass fraction ω [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, shared by grades Ⅰ/Ⅱ/Ⅲ; sample predried at 105℃±2℃ to constant mass] | 30±0.5 % |
| P₂O₅ mass fraction ω [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, shared by grades Ⅰ/Ⅱ/Ⅲ; sample predried at 105℃±2℃ to constant mass] | 70±1 % |
| Fe Content [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, grade Ⅰ; sample predried at 105℃±2℃ to constant mass] | <1 mg/kg |
| Fe Content [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, grade Ⅱ; sample predried at 105℃±2℃ to constant mass] | <2 mg/kg |
| Fe Content [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, grade Ⅲ; sample predried at 105℃±2℃ to constant mass] | <10 mg/kg |
| Cu content [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, shared by grades Ⅰ/Ⅱ/Ⅲ; sample predried at 105℃±2℃ to constant mass; source states 0.1 without an inequality sign] | 0.1 mg/kg |
| Ni content [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, shared by grades Ⅰ/Ⅱ/Ⅲ; sample predried at 105℃±2℃ to constant mass] | <1 mg/kg |
| Co content [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, shared by grades Ⅰ/Ⅱ/Ⅲ; sample predried at 105℃±2℃ to constant mass] | <1 mg/kg |
| Mn content [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, shared by grades Ⅰ/Ⅱ/Ⅲ; sample predried at 105℃±2℃ to constant mass] | <1 mg/kg |
| Cr content [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, shared by grades Ⅰ/Ⅱ/Ⅲ; sample predried at 105℃±2℃ to constant mass] | <1 mg/kg |
| Pb content [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, shared by grades Ⅰ/Ⅱ/Ⅲ; sample predried at 105℃±2℃ to constant mass] | <1 mg/kg |
| Zn content [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, shared by grades Ⅰ/Ⅱ/Ⅲ; sample predried at 105℃±2℃ to constant mass] | <1 mg/kg |
| Loss on ignition ω [T/SHXCL0007-2021 Table 2 performance requirements, NaPO₃, shared by grades Ⅰ/Ⅱ/Ⅲ; sample predried at 105℃±2℃ to constant mass; measured according to YS/T 581.2-2006, with ignition at a furnace temperature of 500℃] | ≤0.5 % |
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