Chloride standard ( 氯离子标准液 )

产品名称：Chloride standard ( 氯离子标准液 )
产品货号：1098710001
产品包装：Plastic ampoule
产品规格： 1 amp

产品信息
HS Code 2806 10 00
化学及物理数据
Solubility (20 °C) soluble
Density 1.01 g/cm3 (20 °C)
pH value 0.6 (H2O, 20 °C)
**标示
Storage class 10 - 13 Other liquids and solids
WGK NWG not water endangering
Disposal 12
Inorganic acids and anhydrides thereof should first be diluted or hydrolyzed by stirring carefully into ice water and then neutralized (protective gloves, fume cupboard!) with sodium hydroxide solution (Cat. No. 105587). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535). Fuming sulfuric acid should be carefully stirred dropwise into 40 % sulfuric acid (Cat. No. 109286). Ensure that plenty of ice is available for cooling! When sufficiently cool, treat the highly concentrated sulfuric acid as described above. Analogous to this procedure, other anhydrides can be converted into their corresponding acids. Acid gases (e.g. hydrogen halide, chlorine, phosgene, sulfur dioxide) can be introduced into dilute sodium hydroxide solution and after neutralization disposed of in container D.
分类
content (Cl-) 1000 mg / Ampoule
Determination method: Argentometric titration (traceable to NIST - SRM 999a) Accuracy of the method: +/- 2 mg

关 键 字：Chloride standard ( 氯离子标准液 )
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