JWR-60-GC Thermal Desorption Instrument
In 2019, the EU promulgated the RoHS Directive 2011/65/EU, which, in addition to the original six hazardous substances, added four phthalate substances: di-n-butyl phthalate (DBP), butyl benzyl phthalate (BBP), di(2-ethylhexyl) phthalate (DEHP), and diisobutyl phthalate (DIBP). These four toxic substances are subject to testing. After July 22, 2019, all relevant products entering the EU must comply with the RoHS 2.0 standard. Since then, manufacturers and operators in the electronics and electrical appliance industry have had to face the challenges posed by this directive.
Keywords:
Physical property testing
Electronics and Electrical Engineering
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- Product Description
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- Commodity name: JWR-60-GC Thermal Desorption Instrument
In 2019, the EU promulgated the RoHS Directive 2011/65/EU, which, in addition to the original six hazardous substances, added four phthalate substances: di-n-butyl phthalate (DBP), butyl benzyl phthalate (BBP), di(2-ethylhexyl) phthalate (DEHP), and diisobutyl phthalate (DIBP). These four toxic substances are subject to testing. After July 22, 2019, all relevant products entering the EU must comply with the RoHS 2.0 standard. Since then, manufacturers and operators in the electronics and electrical appliance industry have had to face the challenges posed by this directive.
JWR-60 Pyrolysis Desorption Instrument
Host Parameters
I. Overview
In 2019, the EU promulgated the ROHS Directive 2011/65/EU, stipulating that on the basis of the original six harmful substances, four additional phthalate substances were added: di-n-butyl phthalate (DBP), butyl benzyl phthalate (BBP), di-(2-hexyl)hexyl phthalate (DEHP), and diisobutyl phthalate (DlBP). These four categories of toxic substances must be tested; after July 22, 2019, all relevant products entering the EU must meet the ROHS2.0 standard. Since then,
producers in the electronics and electrical appliance industry have had to face this directive.
生产企业经营者都不容回避地要来面临该项指令的应对。
Traditional chemical methods have pain points for enterprise customers such as long pretreatment time, complex instrument operation, high site requirements, low efficiency, high later use costs, and pollution.
Therefore, manufacturers hope to have a simple, economical, and environmentally friendly solution to help companies implement process control and meet the above requirements.
Dibutyl phthalate (2- ethylhexyl )
phthalate ( DEHP )
117-81-7
Mainly used as PVC plasticizer , PVC Used as an insulator in electronic and electrical equipment, such as cables and wires A small amount DEHP used in
other non-polymer applications , such as the ceramics of electronic products or the electrolyte of capacitors.
Butyl benzyl phthalate ( BBP )
85-68-7
Mainly used in combination with other plasticizers PVC components such as cables sockets pipes shock absorbers , It is also used in - some non
polymers such as paints and adhesives.
Dibutyl phthalate ( DBP )
84-74-2
mainly used as a plasticizer in PVC flooring , In electronic and electrical equipment may be present in synthetic leather textile coatings, PVC
materials 、 printing inks sealants and adhesives.
Diisobutyl phthalate ( Dl BP )
84-69-5
used as PVC plasticizer , can be used as DBP substitute , It can also be used as a plasticizer for cellulose resins, vinyl resins nitrile rubber and chloroprene rubber.
Pyrolysis Principle
II. Pyrolysis Principle
The core technology of the scheme is pyrolysis pretreatment (used to replace chemical pretreatment). The pyrolysis device instantaneously heats the solid sample, and the phthalates in the solid sample are pyrolyzed into gas, which is sent into the chromatographic column by the carrier gas. The mixed components in the phthalates are separated
into individual components by the chromatographic column and enter the flame ionization detector (FID). After the sample is vaporized, the concentration is converted into an electrical signal, which is captured and amplified by the amplifier and then collected by the chromatographic workstation in the form of a spectrum. The workstation uses the spectrum
to calculate the sample content by comparing the peak area with the peak area of the standard sample.
III. Host Parameters
Pyrolysis device ( Φ 6 Pyrolysis tube ) Temperature range
Room temperature ~450℃ , Set incrementally at 1℃
Pyrolysis device ( Φ 6 Pyrolysis tube ) Heating rate
> 500℃/min
Pyrolysis unit pyrolysis time range
0 .01 ~99 .99min , Set incrementally at 0 .01 min Set as required.
Pyrolysis unit purge time range
0 .01 ~99 .99min , Set incrementally at 0 .01 min Set as required.
Pyrolysis unit purge flow range
10ml ~200ml
Pyrolysis unit split flow range
10ml ~200ml
Pyrolysis unit heating control voltage
16VDC
Aging cleaning unit temperature range
Room temperature ~450℃ , Set incrementally at 1℃ Set as required ( Optional )
Aging cleaning unit time range
1 ~1200 min , Set incrementally at 1 mi n Set as required
IV. Instrument Software
● User-friendly software interface: Built-in standard curve, unique spectrum display technology, convenient and intuitive material judgment.
● Data management: The database supports professional reports, direct generation, query and printing, which is convenient for enterprise management.
● Automatic calculation: The results are directly calculated according to the curve, saving time.
V. Configuration
Balance High-purity nitrogen Air generator Hydrogen generator Pyrolysis Gas chromatograph Computer
VI. External Equipment
Sample Weighing Injection Result
Pyrolysis principle
Overview 述
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