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pH值（酸碱度）
10 (20 °C, 10 g/L in H2O)
质量水平
溶解性
10 g/L
堆积密度
750 kg/m3
应用
diagnostic assay manufacturing
hematology
histology
储存温度
2-30°C
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一般描述
The dry dye Nigrosin (C.I. 50420) water-soluble for microscopy Certistain®, is used for the preparation of a staining solution for the visualization of capsule (negative capsule staining) in bacteriological material of human origin. As a CERTISTAIN® dye it is chemically quality-certified according to highest standards and strict specifications.
应用
water-soluble for microscopy Certistain®
分析说明
Identity
- sodium:
passes test
- UV/VIS-Spectrum: passes test
Absorption maximum λ max (ethanol 50 %): 570 - 580 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.025 g/l; ethanol 50 %): 200 - 300
TLC-Test: passes test
Loss on drying (110 °C): ≤ 15 %
Suitability for microscopy: passes test
- sodium:
passes test
- UV/VIS-Spectrum: passes test
Absorption maximum λ max (ethanol 50 %): 570 - 580 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.025 g/l; ethanol 50 %): 200 - 300
TLC-Test: passes test
Loss on drying (110 °C): ≤ 15 %
Suitability for microscopy: passes test
法律信息
CERTISTAIN is a registered trademark of Merck KGaA, Darmstadt, Germany
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
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