Ash content tester

Introduction

An ash content tester is an instrument used to determine the ash content of materials, such as fuels, polymers, foods, and other organic and inorganic materials, which is the inorganic residue remaining after complete combustion of the organic matter, and it is used for quality control and specification testing in the petroleum, food, chemical, and polymer industries. The ash content is determined by heating a weighed sample in a muffle furnace or ash furnace at a high temperature, typically 500-900 degrees Celsius, in the presence of air, so that the organic matter is burned off and the inorganic residue, the ash, remains; the residue is cooled and weighed, and the ash content is calculated as a percentage of the original sample weight, and the test is performed according to standardized methods, such as ASTM and ISO standards. Ash content testers are used for testing petroleum products, such as lubricating oils and crude oils, for which the ash content indicates the presence of inorganic contaminants and additives; for testing coal and fuels; for testing polymers and rubbers, for which the ash content indicates the filler content; for testing foods, for which the ash content indicates the mineral content; for testing paper and other materials, and they are used in quality control laboratories, refineries, food laboratories, and research institutions, with features such as precise temperature control, programmable heating, and safe operation. With their importance in determining inorganic content, ash content testers are essential for quality control in many industries.

Ash Content Tester LACT-T2010

Ash Content Tester is the device composed of muffle furnace, temperature controller and electric heating plate. It is small size and needs less land with special fire-resistant material ...

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Standards

Complies with the above standards, but is not limited to them.

Features

1. Ash content tester for measuring ash/mineral content of organic materials.

2. Muffle furnace or thermogravimetric method for ash determination.

3. Suitable for food, feed, coal, petroleum, pharmaceutical and quality control.

4. Includes furnace, crucibles, temperature controller, balance and operation manual.

5. Supports ash content measurement for quality, composition and regulatory compliance.

FAQ

Q1: What testing scenarios is this tester mainly applied to?

A: The ash content tester is used in food production, feed manufacturing, coal analysis, petroleum testing, pharmaceutical quality control, agricultural products and research to measure the ash (inorganic mineral residue) content of organic materials including food, feed, coal, petroleum products, pharmaceuticals and agricultural commodities for quality assessment, composition analysis and regulatory compliance. It supports food ash content testing for nutritional labeling and quality, feed mineral content analysis, coal ash content for energy valuation, petroleum product ash and sulfated ash testing, pharmaceutical excipient ash testing, and agricultural product composition analysis. Ash content is a fundamental quality parameter indicating mineral content, purity and contamination in organic materials. It is essential for food, feed, coal, petroleum, pharmaceutical and agricultural laboratories requiring ash content measurement for quality assessment, composition analysis, nutritional labeling, energy valuation and regulatory compliance, where ash content is a fundamental parameter indicating mineral content, purity, contamination and product quality in food, feed, coal, petroleum and pharmaceutical materials, supporting standardized ash determination per ISO, ASTM and industry specifications for quality control and regulatory compliance.

Q2: What standards does the tester comply with?

A: The ash content tester follows ISO 2171 for food ash, ISO 3451 for plastics, ASTM D482 for petroleum, ASTM D3174 for coal, AOAC methods, and relevant GB/T standards including GB 5009.4 for food ash. The muffle furnace complies with IEC 61010 laboratory safety standards. Crucibles should be certified and balance calibrated. Temperature calibration should be traceable to international standards.

Q3: What is the warranty period for the whole machine and key components?

A: The whole ash content tester (muffle furnace) is covered by a 12-month warranty. The furnace, heating elements, controller and housing are covered, while crucibles, tongs and fuses are consumables or accessories. Damage from improper use, thermal shock or unauthorized repair is excluded. Extended service contracts are available.

Q4: Is this device difficult to operate? Is professional training required?

A: Operation requires trained laboratory personnel familiar with ash test methods, muffle furnace operation and balance use. We provide operation manuals, training and application support. Proper sample preparation, crucible handling, ashing temperature, cooling, weighing and result calculation are important for accurate ash content results and safe operation.

Q5: What is the typical lead-time for order delivery?

A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.

Q6: Is regular calibration required? What is the recommended calibration cycle?

A: Temperature calibration against a reference thermometer recommended every 6-12 months. Balance calibration with certified weights regularly. Crucible condition (cracks, residue) checked before each use. Heating element condition verified. Full system performance verification annually for accredited laboratories.

Q7: Are supporting consumables universal?

A: Crucibles, tongs, desiccators and balance weights are available from laboratory suppliers, though crucible material (porcelain, platinum) should match the method. Long-term consumable cost is low to moderate depending on crucible type and usage.

Q8: Can I customize parameters or supporting accessories?

A: Customization includes furnace temperature range, capacity, control type, crucible type (porcelain, platinum), balance precision and accessories. Additional crucibles, tongs and accessories can be ordered separately. Custom orders extend delivery lead-time.

Q9: Does the purchase include on-site installation and commissioning service?

A: Standard delivery includes the ash content tester and accessories with an operation manual. On-site installation, calibration and training are not included for standard orders but can be arranged for quality control laboratory setup. Remote guidance is provided.

Q10: What types of samples are compatible with this equipment?

A: The ash content tester measures ash content of organic materials including food, feed, coal, petroleum products, pharmaceuticals, plastics and agricultural commodities within the temperature range and sample specification. Different materials require specific ashing temperatures (typically 500-600 degrees C for food, higher for coal) and methods (dry ashing, wet ashing, sulfated ash). Samples should be properly prepared and representative. Users should follow the specific test method for the material type, use appropriate crucible material, control ashing temperature and time, cool in a desiccator, weigh accurately, and report results as percentage ash with the test method specified. For sulfated ash (pharmaceuticals), sulfuric acid treatment is required. The muffle furnace should be operated with proper ventilation for fumes, and hot crucibles should be handled with tongs. For food nutritional labeling, results should follow applicable regulatory requirements for ash content declaration. The furnace should be allowed proper cooling before cleaning, and the chamber should be kept clean to prevent cross-contamination between samples.