| 項(xiàng)目Item 分析純 化學(xué)純 (AR) (CP) 含量[NH4H2PO4]Assay,% ≥99.0 98.5 水溶液反應(yīng)Solution reaction 合格 合格 澄清度試驗(yàn)Clarity 合格 合格 水不溶物Insoluble matter in water,% ≤0.005 0.01 氯化物(Cl)Chloride,% ≤0.0005 0.001 硫化合物(以SO4計(jì))Sulfur compounds ≤0.005 0.01 硝酸鹽(NO3)Nitrate,% ≤0.001 0.002 鐵(Fe)Iron,% ≤0.001 0.003 砷(As),Arsenic,% ≤0.0005 0.002 重金屬(以Pb計(jì))Heavy metals,% ≤0.0005 0.001 堿金屬(以磷酸鹽計(jì))Alkali metals,% ≤0.2 0.3
ACS級(jí) 項(xiàng)目名稱Item ACS Grade 含量NH4H2PO4Assay ≥98.0% pH(5%溶液,25.0℃)pH 3.8-4.4 水不溶物Insoluble matter ≤0.005% 氯化物(Cl)Chloride(Cl) ≤5ppm 硝酸鹽(NO3)Nitrate ≤0.001% 硫酸鹽(SO4)Sulfate ≤0.01% 重金屬(以Pb計(jì))Heavy metals(as Pb) ≤5ppm 鐵(Fe)Iron(Fe) ≤0.001% 鈣(Ca)Calcium(Ca) ≤0.001% 鎂(Mg)Magnesium(Mg) ≤5ppm 鉀(K)Potassium(K) ≤0.005% 鈉(Na)Sodium(Na) ≤0.005%
品級(jí)Grade 植物細(xì)胞培養(yǎng)級(jí),≥99.0% (T) (for plant cell culture,≥99.0% (T)) 外觀Appearance 白色粉末 純度Purity ≥99.0% (T) 水溶解試驗(yàn)solubility in water clear colorless , 20g plus 200ml of water 植物細(xì)胞培養(yǎng)測試plant cell culture test pass
≥99.99% metals basis:
外觀Appearance 白色結(jié)晶 純度Purity ≥99.99% Based on Trace Metals Impurities of ICP 滴定純度Purity ≥99.0 % (Titration by NaOH) ICP: Confirms Phosphorus Component Confirmed 痕量金屬分析Trace Metal Analysis ≤100ppm by ICP Atomic emission (Fe、Mg、Na) 不溶物Insoluble matter: (10%, H2O) ≤0.005 % 氯Chloride (Cl) ≤5 ppm 鐵Iron (Fe) ≤0.001 % 重金屬Heavy Metal (as Pb) ≤5 ppm 鉀Potassium (K) ≤0.005 % 鈉Sodium (Na) ≤0.005 % 硝酸根Nitrate (NO3) ≤0.001 % pH @ 25 Deg C (5% Solution) 3.8 - 4.4 硫酸根Sulfate (SO4) ≤0.01 % 鈣Calcium (Ca) ≤0.001 % 鎂Magnesium (Mg) ≤0.0005 %
分析標(biāo)準(zhǔn)品:
含量assay ≥99.5% (T) 總雜質(zhì)total impurities 12.18%±0.10% total Kjeldahl nitrogen 干燥損失loss on drying ≤0.2% pH 3.8-4.4 (25 °C, 50 mg/mL in H2O) 水溶性solubility H2O: soluble, clear, colorless
品級(jí)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 4.0-5.0 (20 °C, 10% in H2O) 水溶性solubility H2O: soluble0.1 g/mL at 25 °C, clear, colorless λ 10 % in H2O 紫外吸光值UV absorption λ: 210 nm A: ≤0.05 λ: 220 nm A: ≤0.04 λ: 230 nm A: ≤0.03 λ: 240 nm A: ≤0.02 λ: 500 nm A: ≤0.02 RP gradient test corresponds to standard filter test corresponds to standard |