碘化钾 [7681-11-0]
-
英文名:Potassium iodide
- CAS号:7681-11-0 分子式:IK 分子量:166
PG62739-500g 碘化钾 [7681-11-0] AR 500g 466.00 促销价:302.90
PG62731-100g 碘化钾 [7681-11-0] AR 100g 108.00 促销价:70.20
PG62730-500g 碘化钾 [7681-11-0] GR 500g 533.00 促销价:346.45
PG62730-10g 碘化钾 [7681-11-0] PT 10g 125.00 促销价:91.25
PG62733-500g 碘化钾 [7681-11-0] 医药级 500g 527.00 促销价:384.71
订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
PG62732-10g | 碘化钾 [7681-11-0] | 4N | 10g | 141.00 | 102.93 | 登录可见 |
PG62732-10g 碘化钾 [7681-11-0] 4N 10g 141.00 促销价:102.93
|
PG62739-500g | 碘化钾 [7681-11-0] | AR | 500g | 466.00 | 302.90 | 登录可见 |
PG62739-500g 碘化钾 [7681-11-0] AR 500g 466.00 促销价:302.90
|
PG62731-100g | 碘化钾 [7681-11-0] | AR | 100g | 108.00 | 70.20 | 登录可见 |
PG62731-100g 碘化钾 [7681-11-0] AR 100g 108.00 促销价:70.20
|
PG62730-500g | 碘化钾 [7681-11-0] | GR | 500g | 533.00 | 346.45 | 登录可见 |
PG62730-500g 碘化钾 [7681-11-0] GR 500g 533.00 促销价:346.45
|
PG62730-10g | 碘化钾 [7681-11-0] | PT | 10g | 125.00 | 91.25 | 登录可见 |
PG62730-10g 碘化钾 [7681-11-0] PT 10g 125.00 促销价:91.25
|
PG62733-500g | 碘化钾 [7681-11-0] | 医药级 | 500g | 527.00 | 384.71 | 登录可见 |
PG62733-500g 碘化钾 [7681-11-0] 医药级 500g 527.00 促销价:384.71
|
化学性质
质量标准
GB / T1272-88
项目ltem 优级纯 分析纯 化学纯
(GR) (AR) (CP)
含量(Kl)Assay,% ≥99.5% 98.5% 98.0%
pH(50g/L溶液,25℃)pH of water sol-
ution 6.0-8.0 6.0-8.0 6.0-8.0
澄清度试验Clarity 合格 合格 合格
水不溶物lnsoluble matter in water,% ≤0.005 0.01 0.02
氯化物及溴化物(以Cl计)Chloride and
bromide,% ≤0.01 0.02 0.05
碘酸盐及碘(以IO3计)lodate and iodine ≤0.0003 0.002 0.005
硫酸盐(SO4)Sulfate,% ≤0.002 0.005 0.01
磷酸盐(PO4)Phosphate,% ≤0.001 0.002 --
总氮量(N)Total nitrogen,% ≤0.001 0.002 0.002
钠(Na)Sodium,% ≤0.05 0.1 --
镁(Mg)Magnesium,% ≤0.001 0.002 0.005
钙(Ca)Calcium,% ≤0.001 0.002 0.005
铁(Fe)Iron ,% ≤0.0001 0.0003 0.0005
钡(Ba)Barium,% ≤0.001 0.002 0.004
重金属(以Pb计)Heavy metals,% ≤0.0002 0.0005 0.001
砷(As)Arsenic,% ≤0.00001 0.00002 --
还原性物质Reducing substances 合格 合格 --
ACS级
项目名称 ACS Grade
含量(KI)Assay ≥99.0%
25℃时5%溶液的pH值
pH of a 5% solution at 25℃ 6.0-9.2
水不溶物Insoluble matter ≤0.005%
干燥失重Loss on drying ≤0.2%
氯化物及氯酸盐(以Cl计)
Chlorine and bromide ≤0.01%
碘酸盐(IO3)Iodidi ≤0.0003%
磷酸盐(PO4)Phosphate ≤0.001%
硫酸盐(SO4)Sulfate ≤0.005%
钡(Ba)Barium ≤0.002%
重金属(以Pb计)Heavy metals ≤5ppm
铁(Fe)Iron ≤0.0003%
钙(Ca)Calcium ≤0.002%
镁(Mg)Magnesium ≤0.001%
钠(Na)Sodium ≤0.005%
≥99.99% metals basis:
外观Appearance 白色结晶或粉末
纯度Purity ≥99.99% Based on Trace Metals Impurities of ICP
I 76.0 - 77.0 % (Titration by AgNO3)
ICP: Confirms Potassium Component Confirmed
痕量金属分析Trace Metal Analysis ≤100ppm by ICP Atomic emission
(Na、Rb、Cs、Th、Ca、Sr、U、Cd、Hg、Nb、In、Tl、Cr、Mn、Bi、Fe、Se)
≥99.999% metals basis:
外观Appearance 白色结晶或粉末
纯度Purity ≥99.999% Based on Trace Metals Impurities of ICP
I 76.0 - 77.0 % (Titration by AgNO3)
ICP: Confirms Potassium Component Confirmed
痕量金属分析total impurities ≤20ppm by ICP Atomic emission
(Al、As、Ba、Ca、Cd、Ce、Co、Cr、Cu、Eu、Fe、Hg、La、Mg、Mn、Na、Ni、Pb、Sc、Sm、Sr、Tl、Y)
危险性质
危险品标志 Xn,N,Xi,F
WGK Germany 2
RTECS号 NN1575000
F 10
HazardClass 8
PackingGroup II
危险类别码 36/37/38-36/37-20/21/22-19-11-43-34-20/21-42/43-36/38-61
安全说明 26-ection-24/25-36-45-36/37/39-53-36/37-22
用途及存储
用途 常用作分析试剂,也用于照相用感光乳化剂的配制、制药工业
用途 用于感光乳剂、肥皂、石版印刷、有机合成、医药、食品添加剂等