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訂購電話:4001650900

Sodium thiocyanate

Cas:
540-72-7
Molecular Structure:
MDL:
MFCD00011123
Molecular Formula:
NaCNS
Molecular Weight:
81.07
Alias:
硫氰化鈉 Sodium isothiocyanate Sodium rhodanate Sodium rhodanide Sodium sulfocyanate
Product order:
Name Specifications Packing Price Delivery
Sodium thiocyanate AR 500g RMB 68.2 Consulting service
Sodium thiocyanate CP 500g RMB 55 Consulting service
Sodium thiocyanate GR 500g RMB 66 Consulting service
Sodium thiocyanate ACS 500g RMB 88 Consulting service
Sodium thiocyanate ≥99.99% metals basis 25g RMB 429 Consulting service
Sodium thiocyanate ≥99.99% metals basis 100g RMB 1199 Consulting service
Character:
白色斜方晶系的晶狀粉末。易溶于水、乙醇、丙酮等溶劑中。水溶液呈中性,與鐵鹽生成血紅色的硫氰化鐵,與亞鐵鹽無反應(yīng),與濃硫酸生成黃色的硫酸氫鈉,與鈷鹽作用生成深藍(lán)色的硫氰化鈷,與銀鹽或銅鹽作用生成白色的硫氰化銀沉淀或黑色的硫氰化銅沉淀。
熔點(diǎn):287℃
密度:1.73 
Quality Standard:
GB/T 1268-84
項目Item                       優(yōu)級純       分析純     化學(xué)純
                                (GR)         (AR)       (CP)
含量(NaCNS)Assay,%           ≥ 99.0         98.5       98.0
澄清度試驗Clarity               合格         合格       合格
水不溶物Insiluble
matter in water,%            ≤ 0.002        0.002      0.01
氯化物(Cl)Chloride,%         ≤ 0.005        0.001      0.02
硫酸鹽(SO4)Sulfate,%         ≤ 0.005        0.01      0.025
銨鹽(NH4)Ammonium,%          ≤ 0.001        0.005     0.02
鐵(Fe)Iron,%                 ≤ 0.0001       0.0003    0.0006
重金屬(以Pb計)Heavy
metals,%                     ≤ 0.0002       0.0005    0.001
耗碘物質(zhì)(氰化物、硫化物)
Substances reduciny iodine      合格        合格        合格

ACS級
項目名稱                                   ACS Grade
含量(NaCNS)Assay                             ≥98.0%
水不溶物Insoluble matter                     ≤0.005%
碳酸鹽(Na2CO3)Carbonate                      ≤0.2%
氯化物(Cl)Chloride                           ≤0.01%
硫酸鹽(SO4)Sulfate                           ≤0.01%
硫化物(以S計)Sulfide                         ≤0.001%
銨鹽(NH4)Ammonium                            ≤0.002%
重金屬(以Pb計)Heavy metals                   ≤5ppm
鐵(Fe)Iron                                   ≤2ppm


≥99.99% metals basis:


外觀Appearance                          白色粉末或結(jié)晶
X-射線衍射分析X-Ray Diffraction         Conforms to standard
紅外光譜鑒別Infrared spectrometry       Conforms to Structure
純度Purity                              ≥99.99% Based on Trace Metals Impurities of ICP
純度Purity                              ≥98.5-101.5% (Titration by AgNO3)
ICP:                                     Confirms Na and S Components Confirmed
痕量金屬分析Trace Metal Analysis        ≤200ppm by ICP Atomic emission and Atomic Absorption Combined
(Al、Ba、Ca、Cu、Mg、Sn、Zn、Li、K、Rb、Cs)

Storage:
密封干燥保存。
分析試劑,如鋼鐵中鈮中的測定及測定銀、銅、鐵,制造有機(jī)硫氰酸鹽。 
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