Determination of Moisture in Building Wall Coatings by Chromatography GB 18582-2020

NegotiableUpdate on 01/22

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Overview

Determination of Moisture in Building Wall Coatings by Chromatography GB 18582-2020 Shanghai Xinnuo GC9970A Plus New Touch Wide Range Atmospheric Chromatography Instrument High Sensitivity Gas Chromatography Instrument for Trace and Trace Sample Detection Requirements. In the increasingly complex air environment, for the detection of trace substances in the factory, mainstream IP communication technology is adopted, equipped with fully automatic EPC/AFC electronic flow control technology, and GC9970A Plus is equipped with a wide range logarithmic amplification system,

Product Details

Determination of Moisture in Building Wall Coatings by Chromatography GB 18582-2020 Shanghai Xinuo GC9970A Plus new touch wide range gas chromatograph high sensitivity gas chromatograph for trace and trace sample detection needs. In the increasingly complex air environment, it brings * performance to the detection of trace substances in the factory field. It adopts mainstream IP communication technology, equipped with fully automatic EPC/AFC electronic flow control technology, and standard GC9970A Plus with wide range logarithmic amplification system.This instrument is equipped with an EPC/AFC gas pressure/flow electronic control module, which replaces traditional manual pressure/flow control systems and provides users with a flexible and intelligent fully automatic pressure/flow control system.

Technical Specifications：

Input pressure range: 0-150psi

Accuracy: ＜ ± 2%

Repeatability: ＜ ± 0.15%

Display mode: 7-inch touch screen LCD display

Temperature control area: 8-way temperature control

Temperature control accuracy: ± 0.1 ℃ - ± 0.2 ℃

Temperature control range: Room temperature ± 8 ℃ -450 ℃, with increments of 1 ℃

Program heating: 16 stage program heating, heating rate 0.1-40 ℃/min, with increments of 0.1 ℃,

Initial and termination time range: 0-6000min, with increments of 1min.

Extreme temperature: protection value 450 ℃

External events: 8-channel external events can be equipped with solenoid valves, etc; Auxiliary control air circuit 2

Communication interface: Ethernet, IEEE802.3;

Start injection: manual and automatic

Power supply: 220V 50HZ 2000W

Determination of Moisture in Building Wall Coatings by Chromatography GB 18582-2020

(Measurement spectrum)

retention time	1.883	2.122	6.479
Component Name	Isopropanol (internal standard)	water	solvent

Technical specifications of detector:

Hydrogen flame ionization detector (FID)
Detection limit: Mt ≤ 5 × 10-12g/s (n-hexadecane-isooctane solution);
Noise: ≤ 5 × 10-14A
Drift: ≤ 1 × 10-13A/30min
● Linear range: ≥ 106

Thermal conductivity detector (TCD):
Sensitivity: S ≥ 5000mV • ml/mg (conventional)

8000mV • ml/mg (highly sensitive) (benzene toluene solution)
Noise: ≤ 10 μ V
Baseline drift: ≤ 30 μ V/30min
● Linear range: ≥ 104

GB 18582-2020 Hazardous Substances in Building Wall Coatings * Standard