Free residual chlorine / total chlorine detection reagent
Katalog №BWZ6123-2016Hajmi7 bottles/setNarxi
Bu mahsulot hozircha mavjud emas.
Texnik xususiyatlari
| Shakli | Suyuq |
|---|---|
| Yaroqlilik muddati | 6 oy |
| Matritsa | Suv |
| Qadoq | Plastik shisha |
| 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
7 bottles/set, c(1/2H<sub>2</sub>SO<sub>4</sub>)=2.002mol/Lc(H<sub>2</sub>SO<sub>4</sub>)=1.001mol/L(ChP)
Tarkibi va attestatsiya qiymatlari
| Modda | Attestatsiya qiymati | Noaniqlik (k=2) | CAS |
|---|---|---|---|
| Sulfuric acid | c(1/2H2SO4)=2.002mol/Lc(H2SO4)=1.001mol/L(ChP) | 2% | 7664-93-9 |
| Sodium hydroxide | 1.005mol/L | 0.2% | 1310-73-2 |
| Phosphate buffer | pH=6.5(25℃) | / | / |
| Thioacetamide | 2.5g/L | / | 62-55-5 |
| N. N-Diethyl-p-phenylenediamine (DPD) Solution-A | 0.55g | / | 93-05-0 |
| N. N-Diethyl-p-phenylenediamine (DPD) Solution-B | / | / | |
| Potassium iodate | 1.006g/L | / | 7758-05-6 |