潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

The physical and chemical property of 7789-12-0 is provided by ChemNet.com
Chemical CAS Database with Global Chemical Suppliers - ChemNet


   ChemNet > CAS > 7789-12-0 Sodium dichromate dihydrate (VI)

7789-12-0 Sodium dichromate dihydrate (VI)

??? ????? Sodium dichromate dihydrate (VI)
??? ??????? Sodium dichromate dihydrate (VI); Dichromic acid disodium salt, dihydrate; Disodium dichromate dihydrate; sodium dichromate dihydrate
????? ???????? Cr2H4NaO9
??? ??????? 275.00833
InChI InChI=1/2Cr.Na.2H2O.7O/h;;;2*1H2;;;;;;;/q;;+1;;;;;;;;2*-1/rCr2O7.Na.2H2O/c3-1(4,5)9-2(6,7)8;;;/h;;2*1H2/q-2;+1;;
????? ?????? 7789-12-0
????? ??????? ??????? 234-190-3
?????? ??????? 7789-12-0 Sodium dichromate dihydrate (VI)
???? ??? 357℃
?????? ?? 730 g/L (20℃)
??? ??????  O:Oxidizing agent;
 T+:Very toxic;
 N:Dangerous for the environment;
????? ??? R21:;
R25:;
R26:;
R34:;
R42/43:;
R45:;
R46:;
R48/23:;
R50/53:;
R60:;
R61:;
R8:;
??????? ????? S45:;
S53:;
S60:;
S61:;
主站蜘蛛池模板: 塔河县| 怀化市| 凤凰县| 香港 | 泌阳县| 冀州市| 衡南县| 藁城市| 遂昌县| 永兴县| 兴义市| 呼和浩特市| 邻水| 乌恰县| 江山市| 蓬莱市| 邛崃市| 朝阳区| 哈巴河县| 吉林市| 肇东市| 淮北市| 临沂市| 平原县| 定陶县| 安庆市| 萝北县| 南皮县| 同德县| 潼关县| 三亚市| 湘乡市| 铜陵市| 榆中县| 微山县| 芜湖市| 临沧市| 从化市| 河曲县| 西吉县| 南召县|