| 販売単位 | : | Ton |
| 写真の例 | : |
|
マッチスティックカリウム二クロム酸
基本的な硫酸塩
（1）Cr 2 O 3 25±1％
（2 ）塩基性％
（3）水不溶性≤0.5％
（4）pH 2.5-4.0
（5）Cr 6 ＋ ≤3ppm
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