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[供應(yīng)]A1142,0500-Ammonium persulfate BioChemicaA1142(過(guò)硫酸銨)
- 貨物所在地:
- 北京北京市
- 產(chǎn)地:
- 德國(guó)
- 更新時(shí)間:
- 2024-09-03 21:00:03
- 有效期:
- 2024年9月3日--2025年3月3日
- 已獲點(diǎn)擊:
- 309
【簡(jiǎn)單介紹】Ammonium persulfate BioChemica,A1142,0500,500 g
【詳細(xì)說(shuō)明】
Synonym | Ammonium peroxodisulfate, APS | |||
---|---|---|---|---|
Solubility (20°C) | 582 g/L (H2O) | |||
Melting point | 120°C (dec.) | |||
Formula | H8N2O8S2 | |||
M | 228.20 g/mol | |||
CAS-No. | 7727-54-0 | |||
HS-No. | 28334000 | |||
EC-No. | 231-786-5 | |||
Storage | RT | |||
LGK | 5.1 B | |||
Disposal | 22 | |||
R | 8-22-36/37/38-42/43 | |||
S | 22-24-26-37 | |||
oxidizing, harmful, irritant, sensitizing | ||||
Class/PG | 5.1/III | |||
UN-No. | UN1444 | |||
WGK | 1 | |||
Specification | ||||
Assay (titr.) | min. 98 % | |||
Free acid | max. 0.1 % | |||
Residue on ignition | max. 0.05 % | |||
pH (5 %; H2O; 20°C) | 3.0 - 4.0 | |||
Chlorate | max. 0.001 % | |||
Chloride | max. 0.001 % | |||
Fe | max. 0.001 % | |||
Mn | max. 0.00005 % | |||
Pb | max. 0.005 % |
Electrophoresis in agarose and acrylamide gels.
(2) Sambrook, J., Fritsch, E.F. & Maniatis, T. (1989) Molecular Cloning: A Laboratory Manual, 2nd Edition. Cold Spring Harbor Laboratory Press, Cold Spring Harbor, New York.
(3) Gomes, A.V. & Barnes, J.A. (1998) Anal. Biochem. 260, 106-108
Gel electrophoresis with mini gels.
Ammonium persulfate (APS) and Riboflavin serve as the initiators of the polymerisation of Acrylamide. Stock solutions of APS (10 % in water) are stable for several weeks at +4°C. Freezing of aliquots increase the shelf life (-20°C: stable for > 6 months; -70°C: stable for > 9 months).