Rasm mavjud emas
Quality control samples for analysis of effective components in acidic soil
Katalog №BWS0438-2016Hajmi200gNarxi
Bu mahsulot hozircha mavjud emas.
Texnik xususiyatlari
| Shakli | Qattiq |
|---|---|
| Yaroqlilik muddati | 24 oy |
| Matritsa | soil |
| Qadoq | polyethylene bottle |
| Saqlash sharoiti | Xona haroratida, germetik va yorug‘likdan himoyalangan joyda saqlang. Ishlatishdan oldin (20±3) ℃ gacha keltirib, yaxshilab chayqating. Ochilgandan so‘ng darhol ishlating, ifloslanishdan saqlang. |
Qadoq hajmi
200g, 5.27
Tarkibi va attestatsiya qiymatlari
| Modda | Attestatsiya qiymati | Noaniqlik (k=2) | CAS |
|---|---|---|---|
| pH | 5.27 | 0.05 | / |
| Free iron | 16.3g/kg | 1.6g/kg | / |
| Total Nitrogen | 1.52g/kg | 0.05g/kg | / |
| Organic matter | 24.7g/kg | 1.9g/kg | / |
| Available phosphorus | 42mg/kg | 7mg/kg | / |
| Available k | 171mg/kg | 18mg/kg | / |
| Effective Iron-DPTA | 213mg/kg | 25mg/kg | / |
| Effective Manganese-DPTA | 90mg/kg | 7mg/kg | / |
| Effective Copper-DPTA | 8.1mg/kg | 0.7mg/kg | / |
| Effective Zinc-DPTA | 11.3mg/kg | 1.2mg/kg | / |
| Exchanging acidity (total amount of exchangeable acids) | 1.07cmol/kg | 0.19cmol/kg | / |
| Exchanging acidity (exchangeable hydrogen) | 0.35cmol/kg（reference value） | / | / |
| Hydrolytic acidity | 7.3cmol/kg | 0.6cmol/kg | / |
| Exchangeable potassium | 0.42cmol（K+）/kg | 0.06cmol（K+）/kg | / |
| Exchangeable sodium | 0.41cmol（Na+）/kg（reference value） | / | / |
| Exchangeable calcium | 10.4cmol（1/2Ca++）/kg | 1.0cmol（1/2Ca++）/kg | / |
| Exchangeable magnesium | 4.3cmol（1/2Mg++）/kg | 0.3cmol（1/2Mg++）/kg | / |
| Total amount of exchangeable salt base | 15.3cmol/kg | 1.0cmol/kg | / |
| Cation exchange capacity - ammonium acetate | 20.5cmol（+）/kg | 1.3cmol（+）/kg | / |