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Quartz Laboratory Glassware

Quartz Laboratory Glassware

-- Steady & Reliable Manufacturer --

Introduction

Quartz Laboratory Glassware encompasses a wide array of high-purity, chemically inert vessels, tubes, and apparatuses essential for analytical chemistry, high-temperature synthesis, and environmental testing. Items include beakers, flasks, distillation units, micro-crucibles, boats, and specialized joints/fittings, all fabricated from fused quartz. Unlike borosilicate glass, quartz offers an unmatched combination of chemical resistance to nearly all acids (except HF), a maximum working temperature over 1100∘C, and superior resistance to thermal shock (it can be heated and rapidly cooled without fracturing). Yancheng Mingyang Quartz Products Co., Ltd. uses only high-purity quartz to ensure that the glassware does not leach contaminants into sensitive samples, a critical factor in trace element analysis and pharmaceutical research. Our glassware is precision-made using specialized glassblowing and grinding techniques, ensuring accurate volumes, standardized joints (e.g., ST taper), and leak-tight seals.

The primary application of quartz labware is in environments demanding extreme purity or high heat. This includes ashing, elemental analysis (ICP-MS sample preparation), high-temperature vacuum distillation, and specialized small-scale chemical vapor deposition (CVD) experiments. We offer both standard off-the-shelf items and extensive custom fabrication services to create bespoke, complex apparatuses like specialized fractionation columns, high-pressure reaction vessels, and integrated manifolds designed to specific researcher requirements. All our quartz labware undergoes an acid-washing and heat-treatment cycle prior to packaging to minimize surface contamination. For the highest purity work, we supply labware made from Synthetic Fused Silica, which virtually eliminates all metallic impurities. The exceptional thermal stability allows for rapid heating using Bunsen burners or furnaces without concern for equipment failure, which speeds up laboratory workflows and increases safety margins over standard glass.

By supplying highly reliable, high-purity quartz laboratory glassware, we support the accuracy and efficiency of advanced scientific research and quality control across multiple high-tech industries.

Specification Parameters

ParameterDetails
Material GradeHigh Purity Fused Quartz, Trace Purity Synthetic Fused Silica
Max Operating TempContinuous use up to 1100∘C (Intermittent up to 1250∘C)
Thermal Shock ResistanceExcellent (Low CTE allows rapid heating/cooling without breakage)
Chemical ResistanceInert to H2​O, HCl, HNO3​, H2​SO4​, and nearly all organic compounds
Standard JointsStandard Taper (ST) and Ball and Socket (S) joints, precision ground
Volume AccuracyHigh precision for beakers/flasks, with etched volume markings available
Purity (Trace Elements)Metallic impurities <5 ppm (significantly lower for synthetic grade)
Available ItemsBeakers, Flasks, Boats, Crucibles, Watch Glasses, Distillation Apparatus, Ground Joints

The key specification for Quartz Laboratory Glassware is its superior Thermal Shock Resistance compared to any other standard lab glass. Quartz's incredibly Low Coefficient of Thermal Expansion (CTE), ∼0.5×10−6/K, means it experiences minimal dimensional change even when subjected to extreme temperature gradients, making it safe for rapid heating/cooling cycles. The exceptional Chemical Resistance is critical for wet chemistry, particularly when working with strong acids at high concentrations and temperatures (e.g., sample digestion). The geometric precision of Standard Joints (e.g., 24/40 ST joints) is achieved via precision grinding to ensure airtight, vacuum-tight seals when assembling complex apparatuses, which is crucial for vacuum distillation or inert atmosphere work. For ICP-MS sample preparation, we emphasize the Trace Purity of the glassware, often utilizing synthetic fused silica to ensure that the trace elements being measured in the sample are not being leached from the glassware itself, preventing false positives and ensuring high analytical accuracy. We apply standard glassblowing techniques such as flaring, bending, and fusion welding to create custom apparatuses while meticulously controlling wall thickness to optimize both strength and heat transfer.

Applications

  • High-Temperature Ashing and Sample Digestion: Used in analytical labs to completely combust organic matter or dissolve refractory samples using hot, concentrated acids.

  • Trace Element Analysis (ICP-MS/AAS): Serving as crucibles, beakers, and plasma torches where ultra-high purity is required to prevent contamination of samples being analyzed for parts-per-billion level impurities.

  • High-Temperature Synthesis and CVD: Used as reaction vessels, liners, and process tubes for small-scale material synthesis and chemical vapor deposition experiments in research labs.

  • Vacuum and High-Purity Distillation: Employed in complex glassblowing apparatuses for purifying high-value or highly corrosive chemicals under vacuum or inert atmosphere.

  • Thermal Shock Testing: Used in materials science and environmental testing labs where components need to be safely transferred between extreme hot and cold environments.

  • UV/Vis Spectroscopy: Quartz cuvettes and optical components are used to measure light transmission in the UV region where standard glass is opaque.

The use of quartz labware offers laboratories a single solution for applications requiring both high purity and high temperature. This eliminates the need to switch between plasticware (for purity/room temp) and ceramic/metal (for high heat/low purity). Our custom glassblowing service allows researchers to design and acquire unique, integrated glassware that precisely fits their experimental setup, optimizing workflow and reducing assembly joints which can cause leaks or contamination. We ensure that standard items like quartz boats used for sample heating are dimensionally consistent for use in automated furnaces and ovens. For high-volume labs, the durability and reusability of quartz glassware, when properly maintained, provide a long-term economic benefit despite the higher initial cost compared to borosilicate glassware. The superior UV transmission of quartz also makes our beakers and flasks ideal for photochemical reactions where light needs to penetrate the vessel wall.

Advantages

  • Extreme Thermal Shock Resistance: Allows safe and immediate transfer between room temperature and furnace temperatures, increasing speed and safety in the lab.

  • Ultra-High Purity and Inertness: Prevents leaching of contaminants into sensitive samples, crucial for analytical and pharmaceutical work.

  • High Working Temperature: Continuous use up to 1100∘C supports high-temperature chemical reactions and sample ashing that standard glass cannot handle.

  • Broad UV Transparency: Makes the glassware suitable for photochemical reactions and UV spectroscopy without signal loss.

  • Precision Ground Joints: Ensures vacuum tightness and standardization, allowing easy assembly of complex, reliable glass apparatuses.

  • Extensive Custom Fabrication: High-skill glassblowing to produce unique, integrated apparatuses that precisely meet specific research needs.

The overall advantage is the assurance of chemical non-reactivity and thermal durability. Quartz labware is an investment in experimental quality and long-term equipment stability. We differentiate ourselves by offering certified high-purity material, even for standard items, and by providing a complete custom fabrication service. This means a researcher can source both basic and highly specialized apparatus from a single, trusted supplier, simplifying procurement and ensuring material consistency across their entire setup.

Payment and Shipping

We accept standard payments (T/T, credit card for smaller orders). For research institutions and universities, we offer direct billing and account terms. Bulk discounts are available for high-volume standard items like beakers and boats.

Shipping Protocol for Glassware: Extreme protection against breakage is essential.

  • Individual Cushioning: Each piece is wrapped in non-abrasive material and secured with high-density foam or bubble wrap, ensuring no glass-to-glass contact.

  • Reinforced Packaging: Items are packed in sturdy cartons with void fill. Fragile, complex custom apparatuses are secured in custom wooden crates.

  • Freight: Utilizing fast, reliable carriers (air freight/express service) to minimize handling. All shipments are insured, and QC reports are provided.

Lead times for standard labware are 7−10 working days. Custom fabricated apparatuses require 3−5 weeks for specialized glassblowing and annealing. Safe and verified delivery is guaranteed.

Frequently Asked Questions (FAQ)

  • Q: Can I use quartz glassware on a hot plate or with a Bunsen burner?

  • A: Yes, the high thermal shock resistance of quartz allows for direct heating with a Bunsen burner or on a hot plate without the risk of cracking. It can handle rapid temperature changes better than any other standard laboratory glass.

  • Q: Is quartz glassware volumetric?

  • A: While we provide accurate volume markings on beakers and flasks, quartz is typically used in non-volumetric or high-temperature applications. For calibrated volumetric analysis at standard temperature, high-precision borosilicate glass is usually preferred.

  • Q: Can quartz be used to handle Hydrofluoric Acid (HF)?

  • A: No. Hydrofluoric acid (even dilute) is the only common acid that dissolves silicon dioxide (SiO2​). Quartz glassware will be rapidly etched and damaged by HF or concentrated phosphoric acid (H3​PO4​) at high temperatures. Specialized plasticware (e.g., PTFE) must be used for HF.

  • Q: Do you offer the glassware in opaque quartz?

  • A: We can fabricate opaque quartz labware (crucibles, boats) primarily used for high-temperature applications where the diffuse heat transfer properties of the opaque material are desired, such as for uniform heating or as thermal shields. Standard glassware is clear quartz.

From Made-in-China to
Global Smart Manufacturing

Yancheng Mingyang Quartz Products Co., Ltd. is a company specializing in the production of quartz and special glass products. Yancheng Mingyang Quartz Products Co., Ltd. is the production plant of Jinzhou Mingde Quartz Glass Co., Ltd. in Jiangsu, Since its establishment, the company has developed rapidly, introduced advanced technology and production equipment at home and abroad, and continuously improved and improved product quality. Relying on its own advantages, we have developed a variety of products suitable for the market and meet the needs of different customers, and solved many urgent production problems for our customers.

The company's products include quartz glass tubes, double-hole quartz glass tubes, quartz glass rods, quartz sheets, sapphire windows, calcium fluoride glass windows, infrared ultraviolet coatings, high-pressure resistant aluminosilicate glass window panels, quartz glass instruments, high borosilicate glass instruments, quartz crucibles, quartz gold-plated tubes, quartz heaters, quartz infrared heating tubes, far-infrared directional radiation heaters ultraviolet germicidal lamps and other special types of quartz glass products.

Yancheng Mingyang Quartz Products Co., Ltd.
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