检测项目
1.微珠粒径分布检测:粒径范围0.1-5000μm,D50值≤5μm为禁令临界点,分布偏差±0.5μm
2.塑料类型鉴定:常见类型如聚乙烯(PE)、聚丙烯(PP),含量限制PE≤0.1%,PP≤0.1%
3.可生物降解性测试:降解率≥90%within180daysunderISO14855conditions,质量损失率≤5%
4.重金属含量分析:铅(Pb)≤10mg/kg,汞(Hg)≤1mg/kg,镉(Cd)≤5mg/kg,砷(As)≤5mg/kg
5.急性毒性评估:对水生生物如藻类LC50>100mg/L,鱼类EC50>50mg/L,无生态毒性
6.化学成分定量:碳氢比例C/H≥6,添加剂如塑化剂≤0.01%,杂质元素总量≤0.5%
7.密度测定:密度范围0.9-1.2g/cm³,允许偏差±0.01g/cm³,参考ASTMD792
8.耐水性测试:浸泡24h后质量损失≤0.1%,溶解率≤0.05%,pH稳定性6.0-8.0
9.环境影响参数:微珠释放量≤0.1%peruse,生物积累因子<1000,持久性评估半衰期<60days
10.尺寸精度与球形度:球形度偏差≤5%,直径公差±0.2μm,表面光滑度Ra≤0.1μm
11.热稳定性测试:热分解温度≥200°C,质量损失率≤2%at100°C,耐热冲击循环≥50cycles
12.有机污染物筛查:多环芳烃(PAHs)总量≤1mg/kg,邻苯二甲酸盐≤0.1%,挥发性有机物(VOCs)≤50ppm
检测范围
1.面部清洁产品:洗面奶、磨砂膏中的exfoliating微珠,粒径typically50-500μm
2.牙膏产品:磨砂牙膏含塑料微珠作为abrasive,尺寸范围10-200μm
3.身体去角质剂:身体scrub和lotions,微珠浓度≤1%w/w,关注可降解性
4.工业清洁剂:表面清洗剂中的微珠添加剂,用于抛光,粒径100-1000μm
5.涂料和油漆:作为填充剂或textureagents,微珠含量≤0.5%,尺寸5-50μm
6.药品载体:缓释药物中的塑料微珠,要求生物相容性,粒径1-100μm
7.化妆品基础:Foundation、粉底中的微珠fortexture,成分需无毒性,尺寸0.5-10μm
8.个人护理用品:洗发水、conditioner中的微珠,用于增强feel,检测释放量
9.环境样品:水样、沉积物中的微塑料污染,粒径0.1-5mm,来源追踪
10.食品接触材料:包装中的潜在微珠迁移,限制含量≤0.01mg/kg,尺寸≤1μm
11.工业研磨剂:用于金属或塑料加工,微珠硬度测试,粒径分布宽度≤2.0
12.玩具和消费品:儿童产品中的塑料颗粒,安全性评估,chokinghazard尺寸>5mm除外
检测方法
国际标准:
ASTMD792-20JianCeTestMethodforDensityandSpecificGravityofPlastics
ISO14855-1:2018Determinationoftheultimateaerobicbiodegradabilityofplasticmaterialsundercontrolledcompostingconditions
ASTME1252-17JianCePracticeforGeneralTechniquesforObtainingInfraredSpectraforQualitativeAnalysis
ISO13320:2020Particlesizeanalysis—Laserdiffractionmethods
ASTMD6400-21JianCeSpecificationforLabelingofPlasticsDesignedtobeAerobicallyCompostedinMunicipalorIndustrialFacilities
ISO10993-18:2020Biologicalevaluationofmedicaldevices—Part18:Chemicalcharacterizationofmaterials
ASTMD5511-18JianCeTestMethodforDeterminingAnaerobicBiodegradationofPlasticMaterialsUnderHigh-SolidsAnaerobic-DigestionConditions
ISO17294-2:2016Waterquality—Applicationofinductivelycoupledplasmamassspectrometry(ICP-MS)—Part2:Determinationofselectedelementsincludinguraniumisotopes
ASTMD4327-17JianCeTestMethodforAnionsinWaterbySuppressedIonChromatography
ISO5667-3:2018Waterquality—Sampling—Part3:Preservationandhandlingofwatersamples
国家标准:
GB/T18006.1-2021Generaltechnicalrequirementsfordisposablebiodegradablediningutensils
GB/T2910-2022Plastics—Determinationofwatercontent
GB/T1033.1-2021Plastics—Methodsfordeterminingthedensityofnon-cellularplastics
GB/T19277.1-2021Determinationoftheultimateaerobicbiodegradabilityofplasticmaterialsundercontrolledcompostingconditions—Methodbyanalysisofevolvedcarbondioxide
GB/T5750.6-2021JianCeexaminationmethodsfordrinkingwater—Part6:Metalparameters
GB/T16488-2021Waterquality—Determinationofpetroleumand动植物油—Infraredspectrophotometricmethod
GB/T14644-2021Textiles—Evaluationofantibacterialactivity
GB/T5009.156-2021Determinationofmigrationofhazardoussubstancesinfoodcontactmaterialsandproducts
GB/T23296.1-2021Foodcontactmaterials—Plastics—Part1:Guidetotestmethodsforoverallmigrationandspecificmigration
GB/T21757-2021Chemicalanalysisofplastics—Determinationofelementalcontent
检测设备
1.激光粒度分析仪:型号LS-300,功能测量粒径分布范围0.1-2000μm,精度±0.1μm,符合ISO13320
2.傅里叶变换红外光谱仪:型号FTIR-2000,功能鉴定聚合物类型和添加剂,波长范围4000-400cm⁻¹,分辨率4cm⁻¹
3.热重分析仪:型号TGA-400,功能分析热稳定性和成分失重,温度范围室温至1000°C,精度±0.1%
4.扫描电子显微镜:型号SEM-500,功能观察微珠形貌和表面结构,放大倍数10-100,000x,分辨率1nm
5.气相色谱-质谱联用仪:型号GC-MS-800,功能分析有机污染物和添加剂,检测下限0.01ppm,符合ASTMD4327
6.生物降解测试系统:型号BDT-100,功能模拟好氧和厌氧降解条件,温度控制30-60°C,CO2测量精度±1%
7.原子吸收光谱仪:型号AAS-300,功能检测重金属含量如铅、汞,检测限0.1mg/kg,波长范围190-900nm
8.密度计:型号DEN-200,功能测量塑料微珠密度,基于浮力法,精度±0.0001g/cm³
9.毒性测试设备:型号Tox-600,功能进行水生生物急性毒性测试,支持藻类、鱼类暴露实验,温度控制±0.5°C
10.环境模拟chamber:型号EnvSim-700,功能评估微珠释放和迁移行为,可控湿度10-90%RH,温度-10°Cto50°C