含量 98(%) 粒度 60(目)
執行質量標準 國標 品牌 金譽 【分子式】: Na3PO4·12H2O
【分子量】: 380.14
【執行標準】:HG/T2517-93
【性質】:
磷酸三鈉為白色或微黃色結晶,不溶于乙醇和二硫化碳,水溶液呈堿性,對人體皮膚有一定侵蝕作用。1%水溶液PH值為12.1,在干燥的空氣中易風化。在100°C時即失去十一個結晶水,212°C以上時即變為無水物Na3PO4,能與酸或鈣,鎂,鐵的鹽類起復分解反應。
【用途】:主要用作水的軟化劑,鍋爐清潔劑。也用作金屬防銹劑,染料中間體的干燥劑,照相顯影劑,織物絲光增強劑。
【技術指標】:主含量 ≥ 98.0 %
指標名稱 |
指標 |
工業級 | |
外觀 |
白色粒狀晶體 |
主含量 % ≥ |
98.0 |
五氧化二磷(以P2O5計), % ≥ |
18.3 |
甲基橙堿度(以Na2O計), % ≥ |
15.5-19 |
水不溶物, % ≤ |
0.1 |
硫酸鹽(以SO4計) % ≤ |
0.5 |
氯化物(以Cl計) % ≤ |
1.5 |
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