Formaldehyde buffer solution
Katalog №BWZ0177-2016Hajmi500mLNarxi
Bu mahsulot hozircha mavjud emas.
Texnik xususiyatlari
| Shakli | Suyuq |
|---|---|
| Yaroqlilik muddati | 12 oy |
| Matritsa | water |
| Qadoq | 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
500mL, 0.8g/L
Tarkibi va attestatsiya qiymatlari
| Modda | Attestatsiya qiymati | Noaniqlik (k=2) | CAS |
|---|---|---|---|
| Sodium hydroxide | 0.8g/L | / | 1310-73-2 |
| Cyclohexanediamine tetraacetic acid | 3.64g/L | / | |
| Formaldehyde | 5.3:100（V:V） | / | |
| Potassium hydrogen phthalate | 20.4g/L | / |