Water quality total phosphorus test reagents
Katalog №BWZ6089-2016Hajmi6 bottles/setNarxi
Bu mahsulot hozircha mavjud emas.
Texnik xususiyatlari
| Shakli | Suyuq |
|---|---|
| Yaroqlilik muddati | 12 oy |
| Matritsa | Suv |
| Qadoq | Plastic/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 bottles/set, c(1/2H<sub>2</sub>SO<sub>4</sub>)=1mol/L
Tarkibi va attestatsiya qiymatlari
| Modda | Attestatsiya qiymati | Noaniqlik (k=2) | CAS |
|---|---|---|---|
| Sulfuric acid solution | c(1/2H2SO4)=1mol/L | / | 7664-93-9 |
| Sodium hydroxide solution | 1mol/L | / | 1310-73-2 |
| Potassium persulfate solution-A | 25g | / | 7727-21-1 |
| Potassium persulfate solution-B | / | / | |
| Molybdate solution | / | / | / |
| Ascorbic acid solution-A | 10g | / | 50-81-7 |
| Ascorbic acid solution-B | / | / | |
| Total phosphorus standard solution | 50μg/mL | 3% | 7723-14-0 |