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化学名称: ferrous sulfate
Molecular formula: FeSO4·7H2O
外观和特性: 浅蓝绿色单斜晶体.
主要用途: 用作净水器, gas purifier, mordant, herbicide, and used to make ink, pigment, etc.
Medically used as a blood tonic.
Ferrous sulfate: ≥85%
Melting point (℃): 64 (-3H2O)
Relative density (water = 1): 1.897 (15℃)
Solubility: soluble in water and glycerin, insoluble in ethanol.
Stability: Stable.
Incompatible materials: Strong oxidants, humid air, strong alkali.
Conditions to avoid contact: Light.
Polymerization hazard: None
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Multi-channel fiber optic methane gas detector machine
features and advantage : The multi-channel fiber optic gas detector combines the advantages of fiber optic and TDLAS technologies, which are specifically reflected as follows:
Excellent gas selectivity, the detection process is not easily interfered by other gases;
All-optical detection means can be used safely in explosive environments;
The optimized design of the miniaturized fiber optic gas probe has a compact structure and high coupling efficiency; it is connected to the host through an all-fiber fiber, which has excellent long-term stability;
Using a near-infrared narrow-band tunable light source, one host can simultaneously detect methane gas concentrations at multiple measurement points, significantly reducing costs;
Fast detection speed, high sensitivity and long service life;
The optical fiber used is ordinary single-mode optical fiber, which is compatible with existing optical fiber communication networks to build detection systems. apply forSuitable for various point and quasi-distributed monitoring fields of methane gas:
Natural gas pipeline network leakage monitoring
Online intelligent monitoring of oil and gas pipelines
Coal mine safety production
Natural gas leakage detection in urban underground pipeline corridors
