LabTech EH35B Hotplate-LabTech

Environmental

LabTech hotplates are ideal for sample preparation in environmental testing laboratories, providing reliable and consistent heating for digestion of soil, sludge, water, and solid waste samples. These hotplates support a variety of acid digestion protocols necessary for accurate elemental analysis and regulatory compliance.

Typical Applications and Compatible Methods:
EPA Method 200.7 — Determination of metals and trace elements in water and waste by ICP-OES

EPA Method 200.8 — Determination of trace elements in water and solid waste extracts by ICP-MS

EPA Method 3050B — Acid digestion of sediments, sludges, and soils for total metals analysis

EPA Method 3010A / 3020B — Acid digestion of aqueous samples and waste extracts prior to metals analysis

EPA Method 6010D — Determination of metals by ICP-OES following acid digestion

EPA SW-846 Methods — Standard methods for digestion and analysis of solid and hazardous waste samples.

Food & Beverage

LabTech hotplates provide precise and consistent heating for wet acid digestion of food samples, facilitating the preparation of complex matrices such as grains, dairy, meat, and beverages for elemental and heavy metal analysis. These hotplates support compliance with food safety standards and regulatory testing requirements.

Typical Applications and Compatible Methods:
AOAC Official Method 999.10 — Determination of lead, cadmium, copper, and zinc in foods by Graphite Furnace AAS

AOAC Official Method 2015.01 — Determination of arsenic, cadmium, mercury, and lead in foods using ICP-MS

FDA Elemental Analysis Manual (EAM) — Sample preparation and analysis of toxic elements in foods and beverages

EPA Method 200.8 — Trace element analysis in water and food extracts by ICP-MS

USP <232> and <233> — Elemental Impurities limits and procedures for food supplements and nutraceuticals.

Pharmaceutical

LabTech hotplates deliver precise and stable heating for wet acid digestion of pharmaceutical samples, essential for elemental impurity testing and quality control. These hotplates meet stringent regulatory requirements, ensuring reliable preparation of raw materials, intermediates, and finished drug products for trace metal analysis.

Typical Applications and Compatible Methods:
USP <232> and <233> — Elemental Impurities: Limits and Procedures for pharmaceutical products

ICH Q3D Guideline — Risk assessment and control of elemental impurities in pharmaceuticals

EPA Method 3051A — Microwave-assisted acid digestion adapted for pharmaceutical matrices

AOAC Methods — Wet digestion preparation of active pharmaceutical ingredients (APIs) and excipients.

Semiconductor Analysis

LabTech hotplates offer uniform, precise heating and excellent chemical resistance, making them ideal for sample preparation and acid digestion in semiconductor material analysis. Their stability and corrosion-proof design support trace-level detection of contaminants in ultrapure materials and components.

Typical Applications and Compatible Methods:
SEMI C30 / C35 Standards — Analysis of trace metals in high-purity chemicals

ASTM F40 / F1729 — Digestion protocols for determining impurities in electronic-grade silicon and other materials

EPA Method 3052 — Total digestion of advanced materials used in semiconductor processing

IPC-TM-650 — Sample preparation for surface metal contamination analysis in printed circuit boards.

Disease Control

LabTech hotplates are widely used in disease control laboratories and public health institutions for the digestion of biological, environmental, and clinical samples prior to toxicological or elemental analysis. Their precise temperature control, chemical resistance, and programmability support standardized workflows in epidemiological and contaminant surveillance.

Typical Applications and Compatible Methods:
EPA Method 200.8 — Preparation of blood, urine, or water samples for trace metal analysis using ICP-MS

NIOSH 7300 / 7303 — Sample digestion of airborne particulates or biological samples for workplace exposure monitoring

CDC Trace Elements Laboratory Protocols — Wet digestion of human samples (e.g., hair, blood, tissues) for toxic metal screening

AOAC Official Methods — Digestion of food or water samples for public safety investigations

EPA Method 3010A / 3050B — General acid digestion procedures for solid waste and biological materials in health studies.

Forensics

LabTech hotplates are utilized in forensic laboratories for the preparation of biological and environmental evidence samples prior to trace metal or toxicological analysis. Their precise temperature control and corrosion-resistant design support safe and reliable sample digestion in high-stakes legal and investigative contexts.

Typical Applications and Compatible Methods:
NIJ Trace Evidence Protocols — Sample digestion of hair, tissue, and soil for forensic toxicology and heavy metal screening

EPA Method 3050B — Acid digestion of environmental evidence (e.g., soil or residue) for trace element analysis

SWGDRUG Guidelines (Scientific Working Group for the Analysis of Seized Drugs) — Sample preparation for purity analysis and trace element profiling

ASTM E1963 — Forensic toxicology applications involving biological matrices

NIST Guidelines for Forensic Sample Processing — Acid treatment of forensic materials prior to ICP-MS or AAS detection.

Industrial Materials

LabTech hotplates provide uniform and controlled heating essential for the preparation and digestion of a wide range of material samples, including metals, ceramics, polymers, and composite materials. Their chemical resistance and customizable temperature programs make them ideal for analytical preparation in materials research and industrial quality control.

Typical Applications and Compatible Methods:
ASTM E776 — Sample preparation for microstructural and elemental analysis of metallic and ceramic materials

EPA Method 3050B / 3051A — Acid digestion of synthetic and composite materials for heavy metals and trace element analysis

ISO 11885 — Inductively coupled plasma optical emission spectrometry (ICP-OES) of digested materials

DIN EN 13656 — Digestion and pre-treatment of polymeric materials for trace element testing

NIST Material Testing Standards — Sample preparation protocols for certified reference materials and advanced materials testing.

Energy & Chemicals

LabTech hotplates are well-suited for preparing complex chemical, petrochemical, and energy-related samples. With precise temperature control, high chemical resistance, and programmable heating, they ensure safe and consistent sample digestion and evaporation in fuel testing, catalyst research, and environmental monitoring within the energy sector.

Typical Applications and Compatible Methods:
ASTM D5257 / D5708 — Preparation and digestion of petroleum products and lubricants for trace metal analysis

EPA Method 3015A / 3050B / 3051A — Acid digestion of coal, oil, sludge, and industrial residues for elemental analysis

ISO 15586 — Water quality sample preparation for trace element determination using ICP-MS/ICP-OES

ASTM D6357 — Sample prep for analyzing metal content in coal and coke

U.S. DOE Protocols — Used in renewable energy research and testing of battery materials, catalysts, and biofuels.

LabTech EH35B Hotplate

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