Pressure Vessels

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Pressure Vessels - Loading of Microwave

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REALIZING YOUR IDEAS

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The Small Highly Productive Microwave speed wave MWS-2

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Facts Technical Data Design Temperature Control Control System Pressure Vessels Documentation Safety PC Software ! New ! Accessories Service

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Technical Data Microwave power: 1,000 Watt magnetron Frequency: 2,450 MHz Unpulsed between 400 and 1,000 Watt Integrated control system RS-232 interface (documentation with external PC) Oven: 26 Litre Weight: 14 kg 230 Volt, 50/60 Hz

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Design Small, compact tabletop instrument Stainless steel housing Integrated suction system Non-Contact IR-temperature measurement of all samples Magnetron with 1,000 Watt Unpulsed between 400 and 1,000 Watt

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Patented, non-contact IR-temperature measurement of all samples No contamination Control of all vessels Increased savety Detection of all sample temperatures No time delay through heating of sensors No connection of sensors Maintenance-free

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Frequency range of BERGHOF mid-IR technology Heat radiation of sample (black body) IR-spektrum of TFM (2,5 µm) (10 µm)

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IR-Sensor Filter IR-radiation TFM IR-measurement at wavelength, where TFM does not absorb IR-radiation Thermal radiation of the vessel is filtered out Heat radiation of vessel surface Heat radiation of sample

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Broadband Technology BERGHOF mid-IR Control No temperatures detectable in the first 7-10min. by broadband technology No detection of exothermic reactions by broadband technology inside temperature outside temperature of vessel (IR-sensor) sample temperature (mid-IR sensor)

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Integrated control system English Simple, self-explaining operation Real-time display of highest sample temperature Temperature control 6 pre-installed applications One free programmable application Sample concentration with additional temperature control

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Temperature Measurement Controller Control by T max Mikrowave power Digestion Vessels 1 - 10 Real-Time Display External PC  M icrowave Power is permanently controlled by temperature of all samples

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Control System - Keypad and Display programm keys parameter change new program programm stop / start next step Berghof MWS2 select prog!

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Control System - Selection of Applications / Routine Start programm keys programm start Berghof MWS2 select prog! Berghof MWS2 press start

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Control System - Programming a Application next step or item step1: temp 150°C step1:time 5 min step1:power 40 % select programm prog increase/decrease temperature, time or power repeat for step 2 and 3

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programm stop / start Control System - Real Time Display of Sample Temperature 1 04:29 80% T=low>>150°C

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Control System - Documentation with external PC

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Pressure Vessels - Survey Mat. Vol. P-test P-max. T-max. T-max. No. (continuous) (short time) DAP-60K TFM 60 ml 60 bar 40 bar 220°C 260°C 10 DAQ-10 Quartz 10 ml 100 bar 75 bar 220°C 260°C 24 DAC-10 TFM / Ceramic 10 ml 100 bar 75 bar 220°C 260°C 24 DAK-70 TFM / Ceramic 70ml 150 bar 100bar 220°C 260°C 5

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Pressure Vessels DAP-60K Completely made of TFM Rupture discs as overpressure safety device Simple handling

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Pressure Vessels - Handling DAP-60K Weighing of the sample Addition of reagent Insert the lid / visual check of the rupture disc Screw on the cap finger-tight Insert the vessel into the rotor Put the rotor into the microwave Select an application Start the microwave Cooling of the vessels (approx. 20 min., possibly outside microwave) Open the vessels manually Transfer the solution

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Lid + Rupture disc Insert the rupture disc Visual check Pressure Vessels - Handling DAP-60K

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Pressure Vessels - Handling DAP-60K Insert the lid Screw on the cap finger- tight

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Pressure Vessels - Handling DAP-60K Insert vessel into rotor Close unused positions

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Pressure Vessels - Loading of Microwave Loading microwave with rotor Connect exhaust tubing

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Pressure Vessel - Handling DAP-60K Open the vessel

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Pressure Vessels - Handling DAQ-10 TFM-lid Rupture disc Retainer ring Insert the rupture disc Insert into TFM-lid

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Pressure Vessels - Handling DAQ-10 Weighing of sample Add reagent Expand sealing lip

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Insert lid into quartz vessel Put in the rotor Close finger-tight Pressure Vessels - Handling DAQ-10

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Insert into PP-box Close PP-box Pressure Vessels - Handling DAQ-10

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Pressure Vessels - Handling DAK-70 Completely made of TFM with ceramic pressure jacket TFM-liner Rupture discs as overpressure safety device Simple handling

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Pressure Vessels - Handling DAK-70 Insert the lid Install the support ring Screw on the cap finger-tight

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Pressure Vessels - Handling DAK-70 Weighing of the sample Addition of reagent Insert the lid / visual check of the rupture disc Screw on the cap finger-tight Insert the vessel into the rotor Put the rotor into the microwave Select an application Start the microwave Cooling of the vessels (approx. 30 min., possibly outside microwave) Vent the vessel with the pressure relief valve Open the vessels manually Transfer the solution

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Safety Concept pure TFM-vessels no explosions possible chemicaly absolutely inert (PEEK and Kevlar don´t comply with this) suction system no acidic vapours in the microwave oven Ban of Solvents absolut safety is impossible by ventilation of the oven several explosions were reported worldwide IR-Temp.-Measurement control mechanism reacts on fast exothermic reactions no leakages on sensing system operation is not influenced by acids and microwaves Metallic rupture discs guarantees fast and reproducable pressure relief, thanks to metallic material and high diametre Avoiding damages thorugh innovative instrument concept

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Safety Integrated suction system Shut-down when the door is unlocked Control of the sample temperature in all vessels Shut-down when a sample is overheated Shut-down after burst of a rupture disc Rupture discs in all vessels Controlled ventilation of vessels during opening

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Safety - Vessel material TFM Experiment: Blocking the rupture-disc Digestion at about 80 bar Thereby the pressure limit was exceeded by factor 2 Result: Vessel didn´t get untight TFM gets weaker and deformable at higher temperatures. Pressure vessels don´t tear or explode and are very safe therefore.

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New ! Control with external PC Temperature programs with up to 5 steps Control of the turntable Real-time Display of sample temperature (Maximum) Documentation of all digestion data (temperature curve, date, time, program etc.) Comments Enlarged operating features

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Control with external PC 500 MHz Pentium processor Windows ® 2000, XP, NT or 98 untaken serial interface COM1 or COM2 System requirements New !

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Control with external PC Microwave power Set temperature profile Sample temperature New !

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Accessory Unit for sample concentration

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Pure TFM-vessels few consumables (rupture discs, lids) extremly long service life, mostly longer than 5 years Sensor technology no consumables like sensors, seals etc. Avoiding subsequent costs through innovative instrument concept Example for 2000-3000 digestions per year: 100 rupture disc + 50 lids per year 168.- € + 680.-€ = 848.- € Example (competition): Set of pressure jacket, liner and lid per year 10x ca. 425.- € = 4,250.- € (plus rupture discs and lids) You save approx. 3,400.- € per Year Cost-Benefit Analysis

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Accessory - Subboiling Vol. Time Water 1.8 l 24 h HNO 3 1.2 l 24 h HCl 1.1 l 24 h HF 1.0 l 24 h Subboiling BSB 939-IR Contact-free infrared heating Completely made of TFM and PFA

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Accessories - Subboiling HF-purity starting with HF p.a. Concentrations in µg/l (=ppb) Ag <0.05 Al 0.2 As <0.05 Au <0.05 Ba <0.05 Be <0.1 Bi <0.05 Ca 0.1 Cd <0.05 Co <0.05 Cr <0.05 Cu <0.05 Fe 0.25 Ga <0.05 Ge 0.4 In <0.05 K 0.6 Li <0.05 Mg 0.08 Mn <0.05 Mo <0.05 Na 0.6 Ni 0.3 Pb <0.05 Sb <0.05 Sn <0.05 Sr <0.05 Ti <0.1 V <0.05 Zn <0.05

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Service Accredited application laboratory EN ISO/IEC17025:2000 Collection of applications Work-Shops and personally demonstrations Specifically trained dealers and service technicians Costumised solutions Quality management system EN ISO 9001:2000

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Your Benefit Simpliest handling of vessels No connection of sensors Simple vessels, made of only few parts Wide selection of different pressure vessels High sample throughput (up to 24 samples per run) Permanent closed vessels No loss of volatile elements Temperature control of all samples Reproducable digestions through temperature-control system Very simple, self-explaining operation Massive, durable pressure vessels made of TFM Inexpensive

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REALIZING YOUR IDEAS Many thanks for your attention!

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