Name | Specifications | Packing | Price | Delivery |
Potassium phosphate dibasic anhydrous | AR | 500g | RMB 80.3 | Consulting service |
Potassium phosphate dibasic anhydrous | CP | 500g | RMB 71.5 | Consulting service |
Potassium phosphate dibasic anhydrous | GR | 500g | RMB 93.5 | Consulting service |
Potassium phosphate dibasic anhydrous | SP | 25g | RMB 118.8 | Consulting service |
Potassium phosphate dibasic anhydrous | 4N | 25g | RMB 118.8 | Consulting service |
Potassium phosphate dibasic anhydrous | ACS | 500g | RMB 97.9 | Consulting service |
Potassium phosphate dibasic anhydrous | USP, EP, BP | 500g | RMB 588.5 | Consulting service |
Potassium phosphate dibasic anhydrous | HPLC, ≥99.0% (T) | 250g | RMB 2032.8 | 現(xiàn)貨 |
Potassium phosphate dibasic anhydrous | HPLC, ≥99.0% (T) | 100g | RMB 911.9 | 現(xiàn)貨 |
Potassium phosphate dibasic anhydrous | 分子生物學(xué),≥99.0% (T) | 1Kg | RMB 2043.8 | Consulting service |
Potassium phosphate dibasic anhydrous | 分子生物學(xué),≥99.0% (T) | 250g | RMB 638 | 現(xiàn)貨 |
Potassium phosphate dibasic anhydrous | AR | 10Kg | RMB 1383.8 | Consulting service |
ACS級
項(xiàng)目名稱 ACS Grade
含量(K2HPO4)Assay ≥98.0%
水不溶物Insoluble matter ≤0.01%
干燥失重Loss on drying ≤1.0%
氯化物(Cl)Chloride ≤0.003%
含氮化合物(以N計(jì))Nitrogen compounds(as N) ≤0.001%
硫酸鹽(SO4)Sulfate ≤0.005%
重金屬(以Pb計(jì))Heavy metals ≤5ppm
鐵(Fe)Iron ≤0.001%
鈉(Na)Sodium ≤0.05%
品級Grade 用于分子生物學(xué)
(for molecular biology, ≥99.0% (T))
外觀Appearance 白色粉末或結(jié)晶
純度Purity 99.0 - 101.0 % (Titration by HCL)
Aluminum (Al) ≤5.0 ppm
Bismuth (Bi) ≤5.0 ppm
Barium (Ba) ≤5.0 ppm
Cadmium (Cd) ≤5.0 ppm
Calcium (Ca) ≤10.0 ppm
Cobalt (Co) ≤5.0 ppm
Chromium (Cr) ≤5.0 ppm
Copper (Cu) ≤5.0 ppm
Iron (Fe) ≤5.0 ppm
Lithium (Li) ≤5.0 ppm
Magnesium (Mg) ≤5.0 ppm
Manganese (Mn) ≤5.0 ppm
Molybdenum (Mo) ≤5.0 ppm
Sodium (Na) ≤5000.0 ppm
Nickel (Ni) ≤5.0 ppm
Lead (Pb) ≤5.0 ppm
Strontium (Sr) ≤5.0 ppm
Zinc (Zn) ≤5.0 ppm
Arsenic (As) ≤0.1 ppm
Chloride (CL) ≤50.0 ppm
Sulfate ≤50.0 ppm
DNAse, RNAse, Protease, Phosphatase None Detected
灼燒殘?jiān)黂esidue on ignition None Detected
pH 8.7 - 9.3
C=1M, H2O at 25 °C
λ 1 M in H2O
UV absorption
λ: 260 nm A: ≤0.20
λ: 280 nm A: ≤0.15
水溶解試驗(yàn)solubility in water Clear Colorless ,5.225g/30ml (1M), H2O
品級Grade 色譜純
(grade for HPLC )
外觀Appearance 白色粉末或結(jié)晶
純度Purity ≥99.0% (T)
pH 8.7-9.3 (20 °C, 10% in H2O)
水溶行solubility H2O: soluble0.1 g/mL at 25 °C, clear, colorless
λ 10 % in H2O
UV absorption
λ: 230 nm A: ≤0.1
λ: 240 nm A: ≤0.09
λ: 250 nm A: ≤0.08
λ: 310 nm A: ≤0.03
λ: 500 nm A: ≤0.02
RP gradient test Pass
filter test Pass
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