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Complete set of GMA3510 gas phase molecular absorption spectrometer and automatic sampler
GMA3510 gas phase molecular absorption spectrometer measurement items: ammonia nitrogen, Kjeldahl nitrogen, nitrite nitrogen, nitrate nitrogen, total
Product details
GMA3510 Gas Phase Molecular Absorption Spectrometer
Measurement items: ammonia nitrogen, Kjeldahl nitrogen, nitrite nitrogen, nitrate nitrogen, total nitrogen, sulfides, mercury;Light source: deuterium lamp, hollow cathode lamp dual system in accordance with national standardsHJ/T195-2005～HJ/T200-2005Requirements for light sources.
Gas phase molecular absorption spectroscopy is widely used for water quality analysis in various fields such as drinking water production, environmental monitoring, petrochemicals, health and epidemic prevention, food industry, soil, chemical fertilizers, chemical reagents, papermaking, leather, printing and dyeing, industrial and mining enterprises, civil engineering and construction, marine and fishery, and hydrological monitoring.
This instrument is a fully automated gas-phase molecular absorption spectrometer.
Main Features
Gas liquid separation：Advanced cold trap technology, using polytetrafluoroethylene material as the reaction tube, enables more thorough gas-liquid separation. Gas liquid separation adopts a long pipeline continuous multiple extraction method to ensure that the tested components can be fully separated from the liquid phase.
■ Automatic sampler：Sample quantity and sample tube capacity: The sample grade shall not be less than60Position, and the sample tube capacity shall not be less than50mlThe sample location can be randomly numbered,No need to proceed in sequence.The sample tray is detachable for easy cleaning and replacement, and corrosion-resistant material is used for injectionPTFEInjection and stainless steel injection needles, etc.4Injection needle
Using flushing technology to ensure that there are no dead corners during cleaning and to prevent cross contamination of the sample.■ Automatic online dilution function：50The sample can be automatically diluted if it exceeds the standard, and the dilution ratio can be automatically configured to be no less thanMultiple, correlation coefficient>0.9995
.Dilution accuracy:0~20When multiplied, the dilution error is less than3%20；The dilution error is less than or equal to multiple times
5%Total nitrogen online digestion mode:
Built in UV digestion module and automatic proportioning system, and adopting internationally advanced multi mirror reflection system greatly improves the digestion rate.Single sample measurement (including digestion) time ≤5min
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analysis standard■Ammonia nitrogen（NH3-N）
HJ/T 195-2005■Nitrate nitrogen（NO3-N）
HJ/T 198-2005■Kjeldahl nitrogen（TKN）
HJ/T 196-2005 ■Total nitrogen（TN）
HJ/T199-2005■Nitrite nitrogen（NO2-N
）HJ/T 197-2005■Sulfides（S
）HJ/T 200-2005■Sulfite（
SO32-）Literature methodology■ Permanganate index（
CODMn）Literature methodology■Mercury（Hg）HJ597-2011(replace
GB/T
7468-87)technical indicators
■Ammonia nitrogen (nitrite nitrogen) project：Precision: Configuration0.1mg/L
Ammonia nitrogen solution, measured continuously three times,RSD<>％Detection limit: according to
HJ168-2010Calculation of the prescribed detection limit formula, detection limit
<0.005mg>0.005mg>■Total nitrogen project:Precision: Configuration0.2mg/L
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