Copper and Silver Corrosion

ASTM D130; ASTM D7671; DIN 51759; IP 154 - IP 227; ISO 2160.
Detection of Copper Corrosion from Petroleum Products by the Copper Strip Tarnish Test.
This test method covers the detection of the corrosiveness to copper of aviation gasoline, aviation turbine fuel, automotive gasoline, natural gasoline, or other hydrocarbons having a Reid vapor pressure no greater than 18 psi (124 kPa), cleaners (Stoddard) solvent, kerosene, diesel fuel, distillate fuel oil, lubricating oil, and certain other petroleum products.
Silver Corrosion Aviation Fuels. This method describes a procedure for detecting the corrosiveness of aviation turbine fuels towards silver.
Standard Test Method for Corrosiveness to Silver by Automotive Spark–Ignition Engine Fuel–Silver Strip Method.
This test method covers the determination of the corrosiveness to silver of automotive spark-ignition engine fuel having a vapor pressure no greater than 124 kPa (18 psi) at 37.8 °C (100 °F) by one of two procedures. Procedure A involves using a pressure vessel, whereas Procedure B involves using a vented test tube.

LT/TB-144000/M: Benchtop laboratory liquid bath:
• The benchtop instrument is made of stainless steel and double chamber insulation.
• Internal stainless-steel bath with a capacity of 45 liters, equipped with double-insulation and fully immersion stainless-steel heater.
• Temperature controlled by a digital thermoregulator with PID functions that control the temperature through an A class PT100 sensor in the range from ambient to +150°C, resolution 0,1°C and stability +/- 0.1°C (with cover).
• Motorized stirrer grants uniformity and stability.
• Manually settable overtemperature cut-off alarm.
• Stainless steel cover with thermoplastic insulated handle.


LT/TB-145000/M1

Benchtop laboratory dry bath:
• Bench top instrument entirely made of stainless steel and double chamber insulation.
• A single aluminum dry bath deeply coated, equipped with 8 × Æ26 mm wells for test tube introduction, insulated, and equipped with multi-electrical heaters grants uniformity and stability.
• Upper cover equipped with a central hole made in stainless steel for easy cleaning.
• Temperature controlled by a digital thermoregulator with PID functions that control the temperature through an A class PT100 sensor in the range from ambient to +200°C, resolution 0,1°C and stability +/- 0.1°C.
• Manually settable overtemperature cut-off alarm.




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