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Ammonium chloride

MDL:
--MFCD00011420
Molecular Formula:
H4ClN
Molecular Weight:
53.49
Alias:
電鹽,鹽硇,電氣藥粉,鹽精 Ammonium muriate Sal ammoniac
Product order:
Name Specifications Packing Price Delivery
Ammonium chloride 99.99% 100g RMB 385 現(xiàn)貨
Ammonium chloride 藥典級(jí)(Ph. Eur., BP, USP, FCC) 500g RMB 63.8 現(xiàn)貨
Ammonium chloride 細(xì)胞培養(yǎng)專用, 500g RMB 418 現(xiàn)貨
Ammonium chloride 用于分子生物學(xué), ≥99.5% 500g RMB 418 現(xiàn)貨
Ammonium chloride ACS,99.5% 500g RMB 38.5 現(xiàn)貨
Ammonium chloride SP 25g RMB 107.8 現(xiàn)貨
Ammonium chloride PT 100g RMB 107.8 現(xiàn)貨
Ammonium chloride GR,99.8% 500g RMB 33 現(xiàn)貨
Ammonium chloride AR,99.5% 500g RMB 33 促銷
Character:
白色結(jié)晶粉末,無(wú)色立方結(jié)晶,有三種變態(tài)。味咸涼而微苦,能升華而無(wú)熔點(diǎn)。氯化銨吸濕性小,略吸濕,在潮濕陰雨天也能吸潮結(jié)塊。易溶于水,溶于甘油和液氨中,難溶于醇,不溶于丙酮和乙醚。
比重1.527
   氯化銨水溶液呈弱酸性反應(yīng),在加熱時(shí)酸性增強(qiáng)。對(duì)黑色金屬和其它金屬有腐蝕,特別對(duì)銅腐蝕更大,而生鐵尚能抵抗它的腐蝕。加熱升華或分解,升華溫度340℃。在100℃時(shí)開(kāi)始顯著揮發(fā),在337.8℃時(shí)離解為氨和氯化氫,遇冷后又重新生成顆粒極小的氯化氨,呈白色濃霧,不易下沉,也極不易再溶解于水。
Quality Standard:
 
   QB/T 658-88
項(xiàng)目Item                                     優(yōu)級(jí)純     分析純     化學(xué)純
                                              (GR)       (AR)       (CP)
含量(NH4Cl)Assay,%                           ≥99.8      99.5       98.5
pH(50g/L溶液,25℃)                          4.5-5.5     4.5-5.5    4.5-5.5
澄清度試驗(yàn)Clarity                              合格       合格       合格
水不溶物Insoluble matter in water,%          ≤0.002     0.005      0.01
灼燒殘?jiān)ㄒ粤蛩猁}計(jì))Ignition residue,%     ≤0.005     0.02       0.05
硫酸鹽(SO4)Sulfate,%                         ≤0.002     0.005      0.005
磷酸鹽(PO4)Phosphate,%                       ≤0.0002    0.0005     0.001
鈉(Na)Sodium,%                               ≤0.005     0.005       --
鎂(Mg)Magnesium,%                            ≤0.0005    0.001      0.002
鉀(K)Potassium,%                             ≤0.005     0.005       --
鈣(Ca)Calcium,%                              ≤0.0005    0.001      0.002
鐵(Fe)Iron,%                                 ≤0.0002    0.0005     0.001
鎳(Ni)Nickel,%                               ≤0.0001      --        --
銅(Cu)Copper,%                               ≤0.0002      --        --
鋅(Zn)Zinc,%                                 ≤0.0002      --        --
鉛(Pb)Lead,%                                 ≤0.0001      --        --


項(xiàng)目名稱Item                                 ACS Grade
含量Assay                                    ≥99.5%
pH(5%溶液,25℃)pH                           4.5-5.5
不溶物Insoluble matter                       ≤0.005%
灼燒殘?jiān)黂esidue after ignition               ≤0.01%
鈣(Ca)Calcium(Ca)                            ≤0.001%
鎂(Mg)Magnesium(Mg)                          ≤5ppm
重金屬(以Pb計(jì))Heavy metals(as Pb)            ≤5ppm
鐵(Fe)Iron(Fe)                               ≤0.0002%
磷酸鹽(PO4)Phosphate                         ≤0.0002%
硫酸鹽(SO4)Sulfate                           ≤0.002%


品級(jí)Grade                               分子生物學(xué)級(jí)  
                                   (for molecular biology, ≥99.5%)
外觀Appearance                          白色粉末
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥99.5%
重金屬(以Pb計(jì))Heavy metals(as Pb)       ≤0.0005%
鐵(Fe)Iron(Fe)                          ≤0.0002%
磷酸鹽Phosphate                         ≤0.0002%
硫酸鹽Sulfate                           ≤0.002%
水溶解試驗(yàn)solubility in water           合格
DNase, RNase, protease,                 none detected


品級(jí)Grade                               細(xì)胞培養(yǎng)專用  
                                   (cell culture tested, ≥99.5%)
外觀Appearance                          白色粉末
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥99.5%
重金屬(以Pb計(jì))Heavy metals(as Pb)       ≤0.0005%
鐵(Fe)Iron(Fe)                          ≤0.0002%
磷酸鹽Phosphate                         ≤0.0002%
硫酸鹽Sulfate                           ≤0.002%
水溶解試驗(yàn)solubility in water           合格
細(xì)胞培養(yǎng)測(cè)試cell culture test           Pass


品級(jí)Grade                               藥典注射級(jí)  
                              (Ph. Eur., BP, USP, FCC )
含量assay                               99.5-100.5% (以干基計(jì))
酸度和堿度acidity or alkalinity,        complies
殘留溶劑residual solvents,              complies
硫氰酸t(yī)hiocyanate (SCN),                complies
灼燒殘?jiān)黫gn. residue                    ≤0.1% (as SO4)
干燥損失loss on drying                  ≤0.5% loss on drying, 105 °C
pH                                      4.6-6.0 (20 °C, 5%)
痕量陰離子anion traces by ICP Atomic emission AND AAS
溴bromide (Br-):                       in accordance
碘iodide (I-):                         in accordance
硫酸根sulfate (SO42-):                 ≤100 ppm
痕量陽(yáng)離子cation traces by ICP Atomic emission
  As:                                  ≤3 ppm  
  Ca:                                  ≤100 ppm
  Cu:                                  ≤20 ppm
  Fe:                                  ≤20 ppm
  Mg:                                  ≤10 ppm
  Pb:                                  ≤4 ppm
  Zn: ≤20 mg/kg
溶解性suitability                      complies for appearance of solution


99.999%:

外觀Appearance                          白色結(jié)晶粉末
紅外光譜鑒別Infrared spectrometry       Conforms
X-射線衍射分析X-Ray Diffraction         Conforms to standard
純度Purity                              ≥99.999% Based On Trace Metals Analysis
痕量金屬雜質(zhì)Trace Metal Analysis        20ppm by ICP Atomic emission
(Li、Na、K、Ni、Cs、Mg、Ca、Ba、Zn、Al、Cr、Mn、As、Fe)


99.99%:

外觀Appearance                          白色結(jié)晶粉末
X-射線衍射分析X-Ray Diffraction         Conforms to standard
純度Purity                              ≥99.99% Based On Trace Metals Analysis
痕量金屬雜質(zhì)Trace Metal Analysis        200ppm by ICP Atomic emission
(Ba、Ca、Mg、Na)

Storage:
密封,在干燥處保存。
用途  分離及沉淀離子,配制緩沖液,測(cè)定尿酸,冷凍劑。藥用級(jí)用作祛痰藥和輔助利尿藥。用于祛痰、利尿、代謝性堿中毒及酸化尿液,用于制作蓄電池和熒光粉等。
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