Water For Chromatography
ürün Kodu : 115333.2500Sorunuz!
115333.2500
Water for chromatography
Ürün bilgisi
Hill Formula
H2O
Chemical formula
H2O
HS Code
2853 00 10
EC number
231-791-2
Molar mass
18.02 g/mol
CAS number
7732-18-5
Kimyasal ve fiziksel veri
Molar mass
18.02 g/mol
Density
1.00 g/cm3 (20 °C)
pH value
(H2O, 20 °C) neutral
Boiling point
100 °C (1013 hPa)
Vapor pressure
23 hPa (20 °C)
Güvenlik bilgisi
RTECS
ZC0110000
Storage class
10 - 13 Other liquids and solids
WGK
NWG not water endangering
Disposal
28
Aqueous solutions: Container D.
Spesifikasyonlar
Spec. conductance at 25 °C (at the time of manufacturing)
≤ 1 µS/cm
Colony count
≤ 25 CFU/g
residue on evaporation
≤ 5 mg/l
Fluorescence
- as quinine at 254 nm
≤ 1 ppb
- as quinine at 365 nm
≤ 0.5 ppb
Gradient grade
- at 210 nm
≤ 5 mAU
- at 254 nm
≤ 0.5 mAU
- basic absorption (210 nm)
≤ 20 mAU
Suitable for LC-MS (Bruker esquire 3000 plus);
- Intensity of background mass peak based on reserpine (APCI/ESI positiv)
< 1 ppb
- Intensity of background mass peak based on reserpine (APCI/ESI negative)
< 20 ppb
Filtered by 0.2µm filter Suitable for UPLC/UHPLC/Ultra HPLC-instruments