Carbon Residue Tester (CONRADSON METHODS) LRCT-T2010

Introduction

Carbon Residue Tester (Conradson Method) is equipped with advanced a 30 ml porcelain crucible. Features an iron wire fire bridge on top that serves as the maximum height indicator. It includes a gas-type blowtorch for reliable heating and complies with GB/T 268 and D189 standards. Our Carbon Residue Tester is widely used to measure carbon residue in petroleum products and assess their coke-foaming tendency.

This petroleum testing is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Carbon Residue Tester (Conradson Method) is used to measure the carbon residue left after petroleum products undergo evaporation and pyrolysis, and it also indicates their tendency for coke foaming.

Specifications

Porcelain crucible	30 ml
Inner iron crucible	75 ml
Outer iron crucible	190 ml
Bore Diameter	Ø130 ± 5 mm
Upper Port Diameter	Ø90 ± 2 mm
Lower Port Diameter	Ø82 ± 2 mm
Height	250 ± 10 mm
Lower Section Height	50–53 mm
Central Cone Height	25 ± 2 mm
Burner	Mig Burner
Dimensions	400 x 380 x 270 mm
Packaging Dimensions	480 x 200 x 250 mm
Net weight	3.5Kg
Gross weight	4Kg

Features

Simple design

Includes Loon 

MiG burner

Household fuel gas testing

FAQs

1. How is the carbon residue value calculated using the Carbon Residue Tester ( ) ?

The Carbon Residue Tester ( ) heats and decomposes the sample, after which the remaining carbon residue is collected and weighed. This residue weight is compared to the original sample weight to determine the percentage of carbon residue. The accuracy of the result depends on proper sample handling, precise flame control, and consistent heating duration as outlined in D189. It provides a standardized crucible system and stable burner operation to help minimize variability and ensure reliable measurements.

2. Can the Carbon Residue Tester ( ) be customized with electric heating or automation?

The Carbon Residue Tester ( ) uses a mig burner for direct heating. If you require more automation, better temperature regulation, or data logging, switching to models with programmable features is recommended. However, it remains ideal for users who prefer a cost-effective, manual approach with reliable performance.

3. How does Carbon Residue Tester ( ) ensure test repeatability across multiple samples?

Carbon Residue Tester ( ) achieves repeatability through standardized crucible dimensions, consistent burner output, and strict adherence to fixed heating and cooling protocols. Users are encouraged to precondition the crucibles and use uniform sample volumes to minimize result variation. The layered crucible system creates a stable thermal enclosure that ensures even heat distribution throughout the test cycle. When operated in accordance with the defined method, the tester consistently delivers reproducible results across multiple runs.

4. What level of operator intervention is needed in Carbon Residue Tester ( ) during a test cycle?

The Carbon Residue Tester ( ) requires active monitoring during the heating phase since it operates with an open flame and manual timing. The operator must light the burner, adjust flame intensity, and ensure uniform heating as per test requirements. After the heating cycle, the system should be allowed to cool before the residue is collected and weighed. This manual approach gives users greater control but also demands attentiveness and familiarity with standard procedures.

5. What type of gas is recommended for the mig burner present in Carbon Residue Tester ( ) ?

Carbon Residue Tester ( ) typically operates using a mig burner fueled by liquefied petroleum gas () or natural gas, depending on regional availability and lab setup. offers a strong and controllable flame, making it ideal for achieving uniform and reliable sample heating. To ensure consistent thermal performance and prevent soot buildup, it is essential to use high-purity gas. Proper flame stability is maintained by regulating the gas supply with a two-stage pressure regulator throughout the test cycle.

6. Can the Carbon Residue Tester ( ) be used for quality assurance in fuel production?

The Carbon Residue Tester ( ) helps predict how much solid carbonaceous material may form during fuel combustion or refining, serving as a key indicator of fuel cleanliness and performance. In fuel production, this data supports refining process adjustments and accurate product classification. It also plays a vital role in quality assurance protocols by identifying high-residue samples that could contribute to engine deposits or catalyst fouling. It is a valuable tool for maintaining consistent fuel standards and minimizing downstream performance issues.