Hexavalent chromium reagent
Katalog №BWZ7092-2016Hajmi5 bottles/setNarxi
Bu mahsulot hozircha mavjud emas.
Texnik xususiyatlari
| Shakli | Suyuq |
|---|---|
| Yaroqlilik muddati | 12 oy |
| Matritsa | Suv |
| Qadoq | Plastic/Glass bottle |
| Saqlash sharoiti | 2–8 ℃ haroratda, germetik va yorug‘likdan himoyalangan joyda saqlang. Ishlatishdan oldin (20±3) ℃ gacha keltirib, yaxshilab chayqating. Ochilgandan so‘ng darhol ishlating, ifloslanishdan saqlang. |
Qadoq hajmi
5 bottles/set, 0.2g
Tarkibi va attestatsiya qiymatlari
| Modda | Attestatsiya qiymati | Noaniqlik (k=2) | CAS |
|---|---|---|---|
| Diphenylcarbazide hydrazy | 0.2g | / | 140-22-7 |
| Acetone | 50mL | / | 67-64-1 |
| Standard reference material for analysis of hexavalent chromium composition in water | 100μg/mL | 3% | 7440-47-3 |
| Sulfuric acid solution | 1+1(V+V) | / | 7664-93-9 |
| Phosphoric acid solution | 1+1(V+V) | / | 7664-38-2 |