Sulfur dioxide in food reagents
Katalog №BWZ6463-2016Hajmi6 pieces/setNarxi
Bu mahsulot hozircha mavjud emas.
Texnik xususiyatlari
| Shakli | Suyuq |
|---|---|
| Yaroqlilik muddati | 9 oy |
| Matritsa | Suv |
| Qadoq | Plastic/Ampoule 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 pieces/set, 1.5mol/L
Tarkibi va attestatsiya qiymatlari
| Modda | Attestatsiya qiymati | Noaniqlik (k=2) | CAS |
|---|---|---|---|
| Sodium hydroxide solution | 1.5mol/L | / | 1310-73-2 |
| Pararosaniline hydrochloride solution | 0.5g/L | / | 569-61-9 |
| Ammonium aminosulfonate solution | 3g/L | / | 7773-06-0 |
| Standard substance for sulfur dioxide solution | 100μg/mL | 3% | 7757-83-7 |
| Hydrochloric acid solution | 6mol/L | / | 7647-01-0 |
| Formaldehyde buffer absorption reserve solution | / | / | 50-00-0 |