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 7789-09-5 is provided by ChemNet.com
Chemical CAS Database with Global Chemical Suppliers - ChemNet


   ChemNet > CAS > 7789-09-5 Ammonium dichromate

7789-09-5 Ammonium dichromate

??? ?????? Ammonium dichromate
????? ??????????? Ammonium dichromate;Ammonium dichromate (VI); Dichromic acid, diammonium salt; Chromic acid (H2Cr2O7), diammonium salt; diammonium oxido-(oxido-dioxo-chromio)oxy-dioxo-chromium
?????? ???????? (NH4)2Cr2O7
????? ??????? ??????? 252.0649
InChI InChI=1/2Cr.2H3N.7O/h;;2*1H3;;;;;;;/q;;;;;;;;;2*-1/p+2/rCr2O7.2H3N/c3-1(4,5)9-2(6,7)8;;/h;2*1H3/q-2;;/p+2
?????????? ???????? ??????? 7789-09-5
???????? ????????? ??? 232-143-1
???? ?????? 7789-09-5 Ammonium dichromate
???? ???????? 170℃
??????? ?? ????? 360 g/L (20℃)
?????? ??? ??????? ??????  E:Explosive;
 T+:Very toxic;
 N:Dangerous for the environment;
??? ????????? R2:;
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: 西华县| 新竹县| 襄城县| 皮山县| 松阳县| 潼关县| 郎溪县| 密云县| 天门市| 德庆县| 朝阳市| 怀来县| 松江区| 饶河县| 冀州市| 磴口县| 沧州市| 高陵县| 华宁县| 阳朔县| 桐柏县| 沁源县| 巴马| 疏附县| 三原县| 福安市| 饶河县| 卓尼县| 新龙县| 麟游县| 沈丘县| 东光县| 江安县| 祁门县| 额济纳旗| 大冶市| 闸北区| 民和| 永州市| 肇源县| 普格县|