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硝酸钾标准
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硝酸钾 |
高纯级 |
精制级 |
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项 目 |
指 标 |
指 标 |
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含量 % |
≥99.0 |
≥98.5 |
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澄清度试验 |
合格 |
合格 |
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水不溶物 % |
≤ 0.004 |
≤ 0.006 |
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总氯量 (Cl) % |
≤ 0.003 |
≤ 0.005 |
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PH 值 (50g/L,25°C) |
5--8 |
5--8 |
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铵 (NH4)% |
≤ 0.001 |
≤ 0.005 |
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硫酸盐 (SO4)% |
≤ 0.003 |
≤ 0.01 |
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亚硝酸盐 (NO2)% |
≤ 0.001 |
≤ 0.002 |
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碘酸盐 (IO3)% |
≤ 0.0005 |
≤ 0.002 |
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磷酸盐 (PO4)% |
≤ 0.0005 |
≤ 0.001 |
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钠 (Na)% |
≤ 0.02 |
≤ 0.05 |
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镁 (Mg)% |
≤ 0.002 |
≤ 0.004 |
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钙 (Ca)% |
≤ 0.004 |
≤ 0.006 |
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铁 (Fe)% |
≤ 0.0002 |
≤ 0.0005 |
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重金属 (Pb)% |
≤ 0.0005 |
≤ 0.001 |
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| 硝酸钾 化工信息 来自 化工广告 |
Potassium nitrate
| 中文名称: |
硝酸钾 |
| 中文别名： |
硝石; 硝酸钾(炸药用) |
| 英文名称： |
Potassium nitrate |
| 英文别名： |
Potassium nitrate (99.999%-K) PURATREM; PotassiumnitrateACSwhitextl; Potassium ion chromatography standard solution Fluka; Nitrate Ion standard solution Fluka; Nitrate solution; Filling solution for salt bridges and double-junction electrodes; Filling solution for chloride combination electrode (10% KNO3, trace AgCl, KCl); Filling solution for fluoride electrode (17% KNO3, 5% KCl, trace NaCl, AgCl); Filling solution for cyanide or sulfide electrode (10% KNO3, trace AgCl, KCl) |
| 分子式： |
KNO3 |
| 分子量： |
101.10 |
| CAS号： |
7757-79-1 |
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| Registry number: |
7757-79-1 |
| Density: |
2.1 |
| Melting point: |
334 °C |
| Decomposition: |
400 °C |
| Boiling point: |
400 °C |
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| 风险术语 |
| R8 |
Contact with combustible material may cause fire. |
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| 安全术语 |
| S17 |
Keep away from combustible material. |
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