產品名稱:磷酸二氫鈉
英文名稱: sodium dihydrgen phosphate
分子式:NaH2PO4.2H2O
分子量:156.01
性能特點: 無色斜方晶高結晶，極易溶于水，在濕空氣中易結塊，100℃時脫水成無水物。水溶液呈酸性反應。（PH=4.5）
用途: 用于鍋爐水處理，電鍍、制革、焙粉、染料助劑，洗滌劑、云母片徹合、酸性緩沖劑等，也是制取六偏磷酸鈉和縮聚磷酸鹽的原料。
產品質量: 符合HG2321-97
|
指標名稱 |
指標 | |
|
一等品 |
合格品 | |
|
磷酸二氫鈉（以NaH2PO4·H2O）含量，% ≥ |
96.0 |
95.0 |
|
硫酸鹽（以SＯ4-2計）含量，% ≤ |
0.8 |
0.8 |
|
氟化物（以F-計）含量，% ≤ |
0.1 |
0.2 |
|
水不溶物 % ≤ |
0.2 |
0.3 |
|
Ph值 |
4.2-4.6 |
4.2-4.6 |
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