壽光市鴻海化工有限公司
聯(lián)系人:崔經(jīng)理
聯(lián)系電話:15864569102/13869630815
電話:0536-5385952
郵箱:cmychen@163.com
地址:壽光市昌大路侯鎮(zhèn)段230號(hào)
生產(chǎn)工廠:壽光市渤海工業(yè)園(羊口鎮(zhèn))
專(zhuān)注溴化鈉、溴化鉀、溴化銨、溴化鈣、溴化鋅等
24小時(shí)服務(wù)熱線
information
溴化鉀(Potassium bromide),化學(xué)式為KBr,相對(duì)分子質(zhì)量為119.00。
無(wú)色結(jié)晶或白色粉末,有強(qiáng)烈咸味,見(jiàn)光色變黃。稍有吸濕性。1g溶于1.5ml水,水溶液呈中性。相對(duì)密度為2.75(25℃)。熔點(diǎn)730℃。沸點(diǎn)1435℃。有刺激性。主要用于光譜分析,點(diǎn)滴分析測(cè)定銅及銀,極譜分析銦、鎘和砷,顯影劑。
外觀/Appearance | 白色顆粒或粉末/White Granule or Powder | ||
級(jí)別/Grade | 感光一級(jí)/The First Photo Grade | 感光二級(jí)/The Second Photo Grade | 優(yōu)級(jí)品/Super Grade |
含量/Main Content | ≥99.5% | ≥99.5% | ≥99.0% |
干燥失重/Loss On Drying | ≤0.3% | ≤0.3% | ≤0.5% |
氯化物/Chloride | ≤0.2% | ≤0.2% | ≤0.5% |
溴酸鹽/Bromate | ≤0.001% | ≤0.003% | ≤0.005% |
碘化物/lodid | ≤0.001% | ≤0.005% | ≤0.005% |
硫酸鹽/Sulphate | ≤0.005% | ≤0.005% | ≤0.01% |
PH值/PH Value(5%) | 6.0-7.5 | 5.5-7.5 | 5.5-7.5 |
砷/As | — | — | ≤0.0004% |
鉛/Pb | ≤0.2ppm | ≤4ppm | ≤10ppm |
鐵/Fe | ≤0.5ppm | ≤4ppm | ≤5ppm |
銅/Cu | ≤0.5ppm | ≤1.0ppm | ≤1ppm |
鉍/ Bi | ≤0.2ppm | ≤0.5ppm | — |
透光度/Peroxide Solution Penetrability(250g/i) | 93~100(410nm) | 85~100(410nm) | — |
澄清度/Transparency Test | 合格/Qualified | 合格/Qualified | — |
氮/Ammonia | ≤15.0ppm | — | — |
色度/Peroxide Solution Chromaticity(250g/i) | ≤(15.0Black once) | — | — |