Overview
The extra deep agate mortar is a laboratory tool designed for grinding and homogenizing hard, brittle, or fibrous materials. Its deep design accommodates larger sample volumes while minimizing spillage. Agate, a cryptocrystalline form of silica, is prized for its hardness (Mohs 7), chemical inertness, and low trace metal content, making it ideal for sensitive applications like geochemistry, pharmaceuticals, and materials science. Unlike porcelain or glass mortars, agate minimizes contamination risks during sample preparation. The extra depth enhances efficiency by allowing batch processing of larger quantities, reducing the need for repeated grinding cycles. It is commonly paired with an agate pestle, ensuring uniform pressure distribution during pulverization.
Structure and Working Principle
The mortar consists of a single-piece agate bowl with a deep, hemispherical cavity. The depth-to-width ratio is optimized to prevent material loss during vigorous grinding. Agate’s fine-grained structure provides a naturally smooth surface that reduces friction and wear over time. Grinding relies on mechanical force applied via the pestle, which crushes particles between the mortar’s inner walls and the pestle’s rounded tip. The absence of pores in agate prevents sample adherence, ensuring complete recovery. For ultra-fine grinding, users employ a combination of rotary and vertical motions, leveraging the mortar’s depth to achieve homogeneous particle sizes.
Key Features
Chemical inertness is a standout feature; agate resists acids (except HF) and alkalis, making it suitable for corrosive samples. Its thermal stability allows limited heating (up to 600°C), though sudden temperature changes should be avoided to prevent cracking. The material’s low iron content (<0.01%) is critical for trace-element analysis, avoiding false readings in techniques like ICP-MS. The polished interior ensures minimal sample adhesion, while the mortar’s weight (typically 500g–2kg) provides stability during use. Custom designs may include reinforced rims or flat bases for automated grinding systems.
Application Areas
Primary applications include X-ray fluorescence (XRF) and X-ray diffraction (XRD) sample preparation, where contamination-free grinding is essential. Geology labs use it to pulverize rock samples for isotopic analysis, while pharmaceutical industries employ it for active ingredient homogenization. In ceramics research, agate mortars prevent metallic contamination during powder processing. Environmental labs rely on them for soil and sediment analysis, where even trace metal interference can skew results. The extra depth variant is preferred for processing bulk samples in industrial R&D or quality control workflows.
Maintenance and Precautions
Clean the mortar with non-abrasive tools (e.g., plastic scrapers) and mild detergents. Avoid ultrasonic cleaners, as cavitation may damage the surface. For stubborn residues, dilute nitric acid (5%) can be used, followed by thorough rinsing. Store in a padded container to prevent chipping. Inspect regularly for hairline cracks, which compromise structural integrity. Never expose to rapid temperature changes or direct flame. For B2B buyers, periodic recalibration of automated grinding systems using the mortar is recommended to maintain consistency.
B2B Procurement Guide
When sourcing, verify the agate’s origin; Brazilian or German agate is preferred for high-purity applications. Request material certificates detailing SiO₂ content (>99.7%) and trace element profiles. Depth should exceed 10 cm for ‘extra deep’ models, with wall thickness ≥15 mm for durability. Suppliers specializing in laboratory equipment (e.g., RETSCH, FRITSCH) often provide custom engraving for traceability. Bulk orders (10+ units) may qualify for 10–15% discounts. Lead times vary; standard models ship in 2–4 weeks, while customized options take 6–8 weeks. Consider ISO 9001-certified manufacturers for guaranteed quality.
Related Manufacturers
- 主营：研磨仪、组织研磨仪、手持式研磨仪、玛瑙研钵、均质器、毛发研磨仪、金属浴、水浴锅、涡旋振荡器、匀浆机、真空离心浓缩仪、高压均质机、非接触DNA打断仪、单细胞悬液制备仪
- 主营：气体检测仪、水质采样器、水质分析仪、超声波明渠流量计、烟尘烟气测试仪、大气采样器、恒温恒湿称重系统、个人防护包、油气回收检测仪、离心机、蓝牙、光泽度仪、负氧离子检测、摇床、微生物快速检测、声校准器、声级计、分析仪、单人防护装备、移动执法包、采样设备、油烟检测、气体、水质、明渠流量计
- 主营：红外光谱仪、红外压片机、加热压片机、玛瑙研钵、全自动压片机、手动粉末压片机、红外压片模具、电动压片机、圆形压片模具、红外电子防潮箱、等静压压片机、荧光压片机、傅里叶变换红外光谱仪、自动热压机、手动热压机、数显压片机、手套箱压片机、真空箱自动热压机、陶瓷压片机、固态电池模具、ATR附件、实验室压片机、纽扣电池封口机、溴化钾光谱纯、溴化钾窗片
- 主营：仪器定制、实验仪器、激光器实验仪、激光原理实验仪
- 主营：固态电池设备、扣式电池设备、圆柱电池设备、玛瑙研钵、锂电池生产设备、电池材料、实验室锂电设备、软包电池设备
- 主营：金属浴、混匀仪、恒温槽、超声波、pcr核酸、微孔板、封边机、led数控、分液器、研磨仪、粉碎机、研磨机、匀浆机、均质仪、封膜仪、离心机、搅拌器、清洗机、加热板、聚合酶链、方盘磁力、恒温振荡、盘面磁力、细胞破碎、定时加热
- 主营：红外测油仪、便携式明渠流量计、便携式油烟检测仪、大气采样器、水质采样器、油气回收检测仪、恒温恒湿称重系统、采样机器人、土壤采样器、土壤检测仪、粉尘采样器、粉尘检测仪、VOC检测仪、气体检测仪、水质检测仪、土壤重金属检测仪、尘埃粒子计数器、综合大气采样器、气体流量校准仪、浮游菌采样器、全自动菌落计数器、恶臭气体采样器、降雨降尘采样器、生物安全柜质量检测仪、生物安全柜
- 主营：测氧仪、风量罩、voc检测仪、环境监测、激光粉尘、顶空分析仪、氨氮分析仪、油烟检测仪、大气采样器、皂膜流量计、水质检测仪、水质采样器、气体检测仪、气体采样器、烟气分析仪、toc分析仪器、水质测量仪、明渠流量计、甲醛检测仪、油烟快检仪、汞蒸气检测仪、汞蒸汽检测仪、在线水质分析仪、手持式苯检测仪、生物发光光度计
- 主营：冷冻研磨仪、冷冻研磨机、组织研磨仪、土壤球磨仪、高通量组织研磨机、多样品组织研磨仪、多样品组织冷冻研磨机、全自动样品快速研磨仪、高通量多样品组织研磨仪
- 主营：传感器、电磁阀、保护器、超市防盗门、地磅、电动脚手架、装载机电子秤、机械抓手、砌筑升降平台、光伏板升降机、内撑吊具、混凝土振动棒、打标机、研磨机、裁切机、平移门电机、磨片磨头、滑移机、消防机器人、农业打药机、履带底盘、消防器材
- 主营：甲醛检测仪、防护箱、干燥箱、离心机、臭氧计、加热器、均浆机、黑度仪、多通道采样器、传感器、流量计、采样器、传声器、频率计、烟度计、机器人、控制器、测试仪、无人机、防护包、探测器、浊度仪、抽滤仪、检测仪
- 主营：摇床、螺旋溜槽、选矿离心机、玛瑙研钵三头研磨机、铜米机、筒型球磨机、螺旋洗沙机、螺旋一体机、干筛机、单槽浮选机、盘式真空过滤机、三头研磨机、圆盘粉碎机、顶击式振筛机、磁选机、实验室颚式破碎机、锥形球磨机、三棍四筒棒磨机、磁选管、密封式制样机、鄂式破碎机、制砂机、锤式打砂机、对辊破碎机
- 主营：记录仪、天平、冻干机、超纯水机、玛瑙研钵、微电脑全自动超纯水机、实验室超纯水、烘箱、培养箱、层析柜、金属浴、电泳仪、混匀震荡器、冷水机、氮吹仪、离心机、灭菌器、磁力搅拌器、水热合成反应釜、显微镜、显微镜配件、大气压力记录仪、大气压力数据记录仪、水位记录仪、环境记录仪
- 主营：纳米行星球磨机、全方位行星式球磨机、土壤球磨机、玛瑙研钵、行星式球磨机、高能行星式球磨机、实验室行星球磨机、真空手套箱、循环净化手套箱、高能量球磨机、行星式搅拌脱泡机、高能量纳米行星球磨机、真空行星搅拌机、高能球磨机、高能振动纳米球磨机、全方位行星球磨机、行星式高能球磨机、锂电池手套箱
- 主营：球磨机