Reagents for permanganate index test
Katalog №BWZ9050-2016Hajmi6 tubes/setNarxi
Bu mahsulot hozircha mavjud emas.
Texnik xususiyatlari
| Shakli | Suyuq |
|---|---|
| Yaroqlilik muddati | 3 oy |
| Matritsa | Suv |
| Qadoq | White plastic bottle, brown 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
6 tubes/set, 500g/L
Tarkibi va attestatsiya qiymatlari
| Modda | Attestatsiya qiymati | Noaniqlik (k=2) | CAS |
|---|---|---|---|
| Sodium hydroxide solution | 500g/L | 1% | 1310-73-2 |
| Potassium permanganate standard stock solution | c（KMnO4）=20.10mmol/L | 1% | 7722-64-7 |
| Sulphuric acid solution | 1+3(V+V) | / | 7664-93-9 |
| Potassium iodide | 100g | / | 7681-11-0 |
| Sodium thiosulfate standard stock solution | c(Na2S2O3)=50.01mmol/L | 1% | 7772-98-7 |
| Starch solution | 10g/L | 1% | 9005-84-9 |