• 氟化钾 [7789-23-3]

  • 英文名:Potassium fluoride
  • CAS号:7789-23-3 分子式:FK 分子量:58.1
T62794-250g 氟化钾 [7789-23-3] 99.9% metals basis 250g 616.00 促销价:431.20
T62793-50g 氟化钾 [7789-23-3] 99.9% metals basis 50g 308.00 促销价:215.60
T62792-10g 氟化钾 [7789-23-3] 99.9% metals basis 10g 130.00 促销价:91.00
T62795-1kg 氟化钾 [7789-23-3] 99.9% metals basis 1kg 1583.00 促销价:1108.10
T62796-500g 氟化钾 [7789-23-3] 99.99% metals basis 500g 6583.00 促销价:4278.95
T62797-100g 氟化钾 [7789-23-3] 99.99% metals basis 100g 2566.00 促销价:1667.90
T62798-25g 氟化钾 [7789-23-3] 99.99% metals basis 25g 1016.00 促销价:660.40
T62799-5g 氟化钾 [7789-23-3] 99.99% metals basis 5g 491.00 促销价:343.70
T62790-1g 氟化钾 [7789-23-3] 99.99% metals basis 1g 358.00 促销价:250.60
T62792-500g 氟化钾 [7789-23-3] AR 500g 75.00 促销价:48.75
T62791-100g 氟化钾 [7789-23-3] AR 100g 43.00 促销价:27.95
T62793-500g 氟化钾 [7789-23-3] GR 500g 91.00 促销价:59.15
T62797-100g 氟化钾 [7789-23-3] PT 100g 85.00
T62795-10g 氟化钾 [7789-23-3] SP 10g 80.00
T62791-500g 氟化钾 [7789-23-3] 喷干氟化钾, 99% 500g 566.00 促销价:396.20
T62792-100g 氟化钾 [7789-23-3] 喷干氟化钾, 99% 100g 216.00 促销价:151.20
T62798-500g 氟化钾 [7789-23-3] 电子级,粉末 500g 68.00
订货编号 商品名称 规格 包装 单价 促销价 会员价 数量
T62794-250g 氟化钾 [7789-23-3] 99.9% metals basis 250g 616.00 431.20 登录可见
T62794-250g 氟化钾 [7789-23-3] 99.9% metals basis 250g 616.00 促销价:431.20
T62793-50g 氟化钾 [7789-23-3] 99.9% metals basis 50g 308.00 215.60 登录可见
T62793-50g 氟化钾 [7789-23-3] 99.9% metals basis 50g 308.00 促销价:215.60
T62792-10g 氟化钾 [7789-23-3] 99.9% metals basis 10g 130.00 91.00 登录可见
T62792-10g 氟化钾 [7789-23-3] 99.9% metals basis 10g 130.00 促销价:91.00
T62795-1kg 氟化钾 [7789-23-3] 99.9% metals basis 1kg 1583.00 1108.10 登录可见
T62795-1kg 氟化钾 [7789-23-3] 99.9% metals basis 1kg 1583.00 促销价:1108.10
T62796-500g 氟化钾 [7789-23-3] 99.99% metals basis 500g 6583.00 4278.95 登录可见
T62796-500g 氟化钾 [7789-23-3] 99.99% metals basis 500g 6583.00 促销价:4278.95
T62797-100g 氟化钾 [7789-23-3] 99.99% metals basis 100g 2566.00 1667.90 登录可见
T62797-100g 氟化钾 [7789-23-3] 99.99% metals basis 100g 2566.00 促销价:1667.90
T62798-25g 氟化钾 [7789-23-3] 99.99% metals basis 25g 1016.00 660.40 登录可见
T62798-25g 氟化钾 [7789-23-3] 99.99% metals basis 25g 1016.00 促销价:660.40
T62799-5g 氟化钾 [7789-23-3] 99.99% metals basis 5g 491.00 343.70 登录可见
T62799-5g 氟化钾 [7789-23-3] 99.99% metals basis 5g 491.00 促销价:343.70
T62790-1g 氟化钾 [7789-23-3] 99.99% metals basis 1g 358.00 250.60 登录可见
T62790-1g 氟化钾 [7789-23-3] 99.99% metals basis 1g 358.00 促销价:250.60
T62792-500g 氟化钾 [7789-23-3] AR 500g 75.00 48.75 登录可见
T62792-500g 氟化钾 [7789-23-3] AR 500g 75.00 促销价:48.75
T62791-100g 氟化钾 [7789-23-3] AR 100g 43.00 27.95 登录可见
T62791-100g 氟化钾 [7789-23-3] AR 100g 43.00 促销价:27.95
T62793-500g 氟化钾 [7789-23-3] GR 500g 91.00 59.15 登录可见
T62793-500g 氟化钾 [7789-23-3] GR 500g 91.00 促销价:59.15
T62797-100g 氟化钾 [7789-23-3] PT 100g 85.00 85.00 登录可见
T62797-100g 氟化钾 [7789-23-3] PT 100g 85.00
T62795-10g 氟化钾 [7789-23-3] SP 10g 80.00 80.00 登录可见
T62795-10g 氟化钾 [7789-23-3] SP 10g 80.00
T62791-500g 氟化钾 [7789-23-3] 喷干氟化钾, 99% 500g 566.00 396.20 登录可见
T62791-500g 氟化钾 [7789-23-3] 喷干氟化钾, 99% 500g 566.00 促销价:396.20
T62792-100g 氟化钾 [7789-23-3] 喷干氟化钾, 99% 100g 216.00 151.20 登录可见
T62792-100g 氟化钾 [7789-23-3] 喷干氟化钾, 99% 100g 216.00 促销价:151.20
T62798-500g 氟化钾 [7789-23-3] 电子级,粉末 500g 68.00 68.00 登录可见
T62798-500g 氟化钾 [7789-23-3] 电子级,粉末 500g 68.00
  •  订货编号
  •  商品名称
  •  规格
  •  包装
  •  单价
  •  促销价
  •  会员价
  •  数量

化学性质

无色立方晶体。具潮解性。 易溶于水,能溶于氢氟酸和液氨,微溶于醇及丙酮。水溶液呈碱性。 熔点 858 °C(lit.) 沸点 1505 °C 密度 2.48 折射率 1.363 闪点 1505°C

质量标准

  

产品规格                电子级       优级纯          分析纯
                                                                 GCS                                     GR              AR
含量assay,%                 ≥99.5         ≥99.5          99.00
氯化物(Cl)Chloride,%       ≤0.005        ≤0.002         ≤0.002    
硫酸盐(SO42-)Sulfate,%      ≤0.002        ≤0.01          ≤0.01
铁(Fe)Iron,%            ≤0.0010       ≤0.0005         ≤0.0005
重金属Heavy metals,%        ≤0.0010       ≤0.0010        ≤0.0010
Na/Cd/Ca/Si/Mg/Al/B/Pb/Cr
/Cu/Mn/Ni/Mo/Sn/Ti/W/Hg/As                ≤1PPM        ≤1PPM
Hg/As                  未检出
游离酸(HF)%              ≤0.05        ≤0.05         ≤0.05      
游离碱(K2CO3)%           ≤0.05        ≤0.05         ≤0.05
氟硅酸盐(K2SiF6)fluosilieate,%    ≤0.02         ≤0.02         ≤0.05


99.9% metals basis:


外观Appearance                            白色粉末或块状
纯度Purity                                        ≥99.9% Based on Trace Metals Impurities of ICP
ICP:                                                 Confirms Potassium Component Confirmed
F                                                       Typically 31.9 - 33.5 % (With Lead Acetate)
痕量金属分析Trace Metal Analysis        ≤1000ppm by ICP Atomic emission


99.99% metals basis:


外观Appearance                          白色粉末或块状
纯度Purity                              ≥99.99% Based on Trace Metals Impurities of ICP
ICP:                                    Confirms Potassium Component Confirmed
F                                       Typically 31.9 - 33.5 % (With Lead Acetate)
痕量金属分析Trace Metal Analysis        ≤200ppm by ICP Atomic emission

  

危险性质

危险品标志  T
危险类别码  25-23/24/25
WGK Germany  3
RTECS号 TT0700000
F  3
Hazard Note  Harmful
HazardClass  6.1
PackingGroup  III
安全说明  45-26

  

用途及存储

用途  用作络合滴定隐蔽剂和食物防腐剂,也用于玻璃的雕刻
用途  用于玻璃雕刻、食物防腐、电镀等,也用作焊接助熔剂、杀虫剂、氟化剂、吸收剂

  密封干燥保存。