9I果冻制作厂_911制品厂麻花,一区二区三区影院,少女视频观看片TV哔哩哔哩,蜜桃AV秘?无码一区三区

服務(wù)熱線:024-23769576 13998850320
當(dāng)前位置:產(chǎn)品中心 > 分析試劑
通用試劑分析試劑生物/化學(xué)試劑稀土/稀有金屬試劑高端化學(xué)
溴甲酚綠鈉
中文別名: 溴甲酚綠鈉
英文名稱(chēng): Bromocresol green sodium salt
CAS號(hào): 62625-32-5
EINECS號(hào): 685-526-4
等級(jí): IND
含量: 99

CAS號(hào):   62625-32-5

分子式:   C21H13Br4NaO5S

分子量:   720.00

別名:      溴甲酚綠鈉鹽

品級(jí)Grade                                分析純  
                                          (AR)
外觀Appearance                          Dark green to black powder or crystals
紅外光譜鑒別Infrared spectrum           Conforms to structure
純度Purity(HPLC)                        ≥90.0%  
PH變色范圍Visual range                  3.8(yellow)-5.4(blue)
灼燒殘?jiān)黂esidue on ignition(as sulfate) 8.5-11.5%


項(xiàng)目(name)                     指示劑(Ind)
                              (indicator grade)
水溶解試驗(yàn)                        合格
PH變色范圍                       3.8(黃色)-5.4(藍(lán)色)
灼燒殘?jiān)?以硫酸鹽計(jì))             8.5-11.5%


品級(jí)Grade                               高純級(jí)  
                                       (High pure)
外觀Appearance                          暗綠色至棕色、黑色粉末或結(jié)晶
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              98.0 to 105.0 % (以干基計(jì))  
pH變色域Transition interval:            pH 3.8 (yellow) to pH 5.4 (blue)
靈敏性試驗(yàn)Sensitiveness test            Pass



品級(jí)Grade                                ACS級(jí)  
                                     (ACS reagent, 90 %)
外觀Appearance                          暗綠色至棕色、黑色粉末或結(jié)晶
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥90.0% (HPLC)
λ                                       614 - 618 nm
                                        c = 0.01g/L, Water
消光系數(shù)Extinction Coefficient          ≥25000
λ                                       394 - 406 nm
消光系數(shù)Extinction Coefficient          ≥8000  
λ                                       306 - 310 nm
消光系數(shù)Extinction Coefficient          ≥10000
pH變色域Transition interval:            pH 3.8 (yellow) to pH 5.2 (blue)
Visual Interval                         Pass
                                        pH 3.8 = Yellow  
Visual Interval                         Pass
                                        pH 4.5 = Green
Visual Interval                         Pass
                                        pH 5.4 = Blue
不溶物Insoluble Matter.                c = 0.1g/100ml; Water


返回
國(guó)內(nèi)業(yè)務(wù)
Domestic
座機(jī) : 024-23769576
手機(jī):13998850320
聯(lián)系人:李經(jīng)理
QQ號(hào): 274311108
國(guó)際貿(mào)易部
Abroad
座機(jī):024-23769576
手機(jī):15040101888
聯(lián)系人:婁經(jīng)理
地址
Office
地址:沈陽(yáng)市渾南新區(qū)天賜街7-2號(hào)
郵箱:sales@simchoicechem.com
網(wǎng)址:m.jiemeigo.cn
沈陽(yáng)先創(chuàng)化工有限公司 版權(quán)所有(C)2020 網(wǎng)絡(luò)支持 中國(guó)化工網(wǎng) 全球化工網(wǎng) 生意寶 著作權(quán)聲明 遼ICP備13009629號(hào)-1  遼公網(wǎng)安備 21011202000998號(hào)
 
點(diǎn)擊這里給我發(fā)消息
婁經(jīng)理
點(diǎn)擊這里給我發(fā)消息
李經(jīng)理