品名 | 規(guī)格 | 包裝 | 單價(jià) | 貨期 |
溴化銨 | AR | 500g | 44元 | 咨詢客服 |
溴化銨 | ACS | 500g | 77元 | 咨詢客服 |
溴化銨 | 99.99% (metals basis) | 25g | 209元 | 咨詢客服 |
溴化銨 | 99.99% (metals basis) | 100g | 759元 | 咨詢客服 |
溴化銨 | 99.999% (metals basis) | 5g | 275元 | 咨詢客服 |
溴化銨 | 99.999% (metals basis) | 25g | 1083.5元 | 咨詢客服 |
溴化銨 | 99.999% (metals basis) | 100g | 3256元 | 咨詢客服 |
項(xiàng)目名稱Item ACS 級
含量(NH4Br)Assay ≥99.0%
pH(5%溶液,25.0℃)pH 4.5-6.0
水不溶物Insoluble matter ≤0.005%
灼燒殘?jiān)黂esidue after ignition ≤0.01%
溴酸鹽(BrO3)Bromate ≤0.002%
氯化物(Cl)Chloride(Cl) ≤0.2%
碘化物(I)Iodide(I) ≤Passes test
硫酸鹽(SO4)Sulfate ≤0.005%
鋇(Ba)Barium(Ba) ≤0.002%
重金屬(以Pb計(jì))Heavy metals(as Pb) ≤5ppm
鐵(Fe)Iron(Fe) ≤5ppm
99.99% (metals basis) :
外觀Appearance 粉末或結(jié)晶
不溶物insolubles ≤0.005%
總金屬雜質(zhì)total metallic impurities <100 ppm
灼燒殘?jiān)黂esidue on ignition ≤0.01%
pH range 4.5 - 6.0
anion traces
溴酸鹽bromate (BrO3-): ≤0.002%
氯chloride (Cl-): ≤0.2%
碘iodide (I-): ≤0.005%
硫酸根sulfate (SO42-): ≤0.005%
純度Purity ≥99.99% Based On Trace Metals Analysis
鋇Ba: ≤0.002%
鐵Fe: ≤5 ppm
重金屬heavy metals: ≤5 ppm
99.999% (metals basis) :
外觀Appearance 白色粉末
純度Purity ≥99.999% Based On Trace Metals Analysis
痕量金屬分析Trace Metal Analysis 20ppm by ICP Atomic emission
總金屬雜質(zhì)Total Metallic Impurities
(Al、B、Ca、Ce、Cu、Dy、Mg、Mn、K、Na、Zn)
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