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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 10816-2024 |
Zisha pottery 紫砂陶器 |
China National Standards pot |
 English PDF |
| GB/T 45060-2024 |
Black-spotted side-fold frog 黑斑侧褶蛙 |
China National Standards pot |
English PDF |
| GB/T 45173-2024 |
Classification and terminology of cup and pot products 杯壶类产品分类及术语 |
China National Standards pot |
English PDF |
| GB/T 21499-2024 |
Grain and oil inspection-Determination of potential rice yield of rice and brown rice 粮油检验-稻谷和糙米潜在出米率测定方法 |
China National Standards pot |
English PDF |
| GB/T 23367.1-2024 |
Chemical analysis methods for lithium cobalt oxide - Part 1: Determination of cobalt content - EDTA - Titration and potentiometric titration 钴酸锂化学分析方法-第1部分：钴含量的测定-EDTA-滴定法和电位滴定法 |
China National Standards pot |
English PDF |
| GB/T 44509-2024 |
Welding process assessment test for spot welding, seam welding and projection welding 点焊、缝焊和凸焊的焊接工艺评定试验 |
China National Standards pot |
English PDF |
| GB/T 8574-2024 |
Determination of potassium content in compound fertilizers 复合肥料中钾含量的测定 |
China National Standards pot |
English PDF |
| GB/T 1288-2024 |
Chemical reagents-potassium sodium tartrate tetrahydrate-(potassium sodium tartrate) 化学试剂-四水合酒石酸钾钠-（酒石酸钾钠） |
China National Standards pot |
English PDF |
| GB/T 38216.4-2024 |
Steel slag - Determination of total iron content - Titanium trichloride - potassium dichromate titration method 钢渣-全铁含量的测定-三氯化钛-重铬酸钾滴定法 |
China National Standards pot |
English PDF |
| GB/T 44480-2024 |
Chemicals-Acute oral toxicity test for beautiful spotted lizard 化学品-丽斑麻蜥急性经口毒性试验 |
China National Standards pot |
English PDF |
| GB/T 14420-2024 |
Analysis Methods for Boiler Water and Cooling Water - Determination of Chemical Oxygen Demand - potassium Dichromate Rapid Method 锅炉用水和冷却水分析方法-化学耗氧量的测定-重铬酸钾快速法 |
China National Standards pot |
English PDF |
| GB/T 4706.40-2024 |
Safety of household and similar electrical appliances - Part 40: Particular requirements for commercial multi-purpose electric cooking pots 家用和类似用途电器的安全-第40部分：商用多用途电平锅的特殊要求 |
China National Standards pot |
English PDF |
| GB/T 8884-2017 |
Edible potato starch 食用马铃薯淀粉 |
China National Standards pot |
English PDF |
| GB/T 44149-2024 |
Fine ceramics-Determination of isoelectric point of ceramic powders-zeta potential method 精细陶瓷-陶瓷粉体等电点的测定-zeta电位法 |
China National Standards pot |
English PDF |
| GB/T 11066.12-2024 |
Methods for chemical analysis of gold - Part 12: - Determination of silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithium, sodium, tellurium, vanadium, zirconium, cadmium, molybdenum, rhenium, and aluminum content - Inductively coupled plasma atomic emission spectrometry 金化学分析方法-第12-部分：-银、铜、铁、铅、铋、锑、镁、镍、锰、钯、铬、铂、铑、钛、锌、砷、锡、硅、钴、钙、钾、锂、钠、碲、钒、锆、镉、钼、铼、铝含量的测定-电感耦合等离子体原子发射光谱法 |
China National Standards pot |
English PDF |
| GB/T 14949.7-2024 |
Manganese ore-Determination of sodium and potassium content-Flame atomic absorption spectrometry 锰矿石-钠和钾含量的测定-火焰原子吸收光谱法 |
China National Standards pot |
English PDF |
| GB/T 43905.6-2024 |
Laboratory methods for sampling fumes and gases in welding and related processes - Part 6: Quantitative determination of fumes and gases in resistance spot welding 焊接及相关工艺中烟尘和气体取样的实验室方法-第6部分：电阻点焊中烟尘和气体的定量化测定 |
China National Standards pot |
English PDF |
| GB/T 18247.2-2024 |
Grades of major flower products - Part 2: potted flowers 主要花卉产品等级-第2部分：盆花 |
China National Standards pot |
English PDF |
| GB/T 3286.12-2023 |
Methods for chemical analysis of limestone and dolomite Part 12: Determination of potassium oxide and sodium oxide content Flame atomic absorption spectrometry 石灰石及白云石化学分析方法 第12部分：氧化钾和氧化钠含量的测定 火焰原子吸收光谱法 |
China National Standards pot |
English PDF |
| GB/T 43412-2023 |
Recommended process specifications for resistance spot welding of metal sheets 金属薄板电阻点焊推荐工艺规范 |
China National Standards pot |
English PDF |
| GB 5009.140-2023 |
National food safety standards Determination of acesulfame potassium in food 食品安全国家标准 食品中乙酰磺胺酸钾的测定 |
China National Standards pot |
English PDF |
| GB 1903.55-2022 |
National Food Safety Standard Food Nutritional Enhancer L-potassium Ascorbate 食品安全国家标准 食品营养强化剂 L-抗坏血酸钾 |
China National Standards pot |
English PDF |
| GB 1886.340-2021 |
National Food Safety Standard Food Additive Tetrapotassium Pyrophosphate 食品安全国家标准 食品添加剂 焦磷酸四钾 |
China National Standards pot |
English PDF |
| GB 1886.337-2021 |
National Food Safety Standard Food Additive potassium Dihydrogen Phosphate 食品安全国家标准 食品添加剂 磷酸二氢钾 |
China National Standards pot |
English PDF |
| GB 1886.334-2021 |
National Food Safety Standard Food Additive Dipotassium Hydrogen Phosphate 食品安全国家标准 食品添加剂 磷酸氢二钾 |
China National Standards pot |
English PDF |
| GB 1886.327-2021 |
National Food Safety Standard Food Additive Tripotassium Phosphate 食品安全国家标准 食品添加剂 磷酸三钾 |
China National Standards pot |
English PDF |
| GB 1886.325-2021 |
National Food Safety Standard Food Additive potassium Polymetaphosphate 食品安全国家标准 食品添加剂 聚偏磷酸钾 |
China National Standards pot |
English PDF |
| GB/T 8297-2023 |
Concentrated natural rubber latex - Determination of potassium hydroxide (KOH) value 浓缩天然胶乳 氢氧化钾（KOH）值的测定 |
China National Standards pot |
English PDF |
| GB/T 43169-2023 |
Quarantine and Identification Methods for potato Spot Pathogen 马铃薯斑纹病菌检疫鉴定方法 |
China National Standards pot |
English PDF |
| GB/T 43158-2023 |
Quarantine and Identification Methods for potato Blackleg 马铃薯黑胫病菌检疫鉴定方法 |
China National Standards pot |
English PDF |
| GB/T 43126-2023 |
Technical specifications for shale oil geological sweet spot evaluation 页岩油地质甜点评价技术规范 |
China National Standards pot |
English PDF |
| GB/T 42466-2023 |
Technical specifications for the management of pluripotent stem cells in biobanks 生物样本库多能干细胞管理技术规范 |
China National Standards pot |
English PDF |
| GB/T 1919-2023 |
Industrial potassium hydroxide 工业氢氧化钾 |
China National Standards pot |
English PDF |
| GB/T 16515-2023 |
potentiometers for use in electronic equipment - Part 5: Specifications for single-turn low-power wirewound and non-wirewound potentiometers 电子设备用电位器 第5部分:分规范 单圈旋转低功率线绕和非线绕电位器 |
China National Standards pot |
English PDF |
| GB/Z 42840-2023 |
Nanotechnology Testing the potency of silver nanoparticles using muramic acid released by Staphylococcus aureus 纳米技术 利用金黄色葡萄球菌释放的胞壁酸检测银纳米颗粒的效力 |
China National Standards pot |
English PDF |
| GB/T 42762-2023 |
General technical requirements for cups and pots 杯壶类产品通用技术要求 |
China National Standards pot |
English PDF |
| GB/T 42879-2023 |
Chemicals New Zealand Mud Snail (potamopyrgus antipodarum) Reproduction Trial 化学品 新西兰泥蜗（Potamopyrgus antipodarum）繁殖试验 |
China National Standards pot |
English PDF |
| GB/T 3884.12-2023 |
Methods for chemical analysis of copper concentrates Part 12: Determination of fluorine and chlorine content Ion chromatography and potentiometric titration 铜精矿化学分析方法 第12部分：氟和氯含量的测定 离子色谱法和电位滴定法 |
China National Standards pot |
English PDF |
| GB/T 17899-2023 |
Corrosion of metals and alloys potentiometric method for measuring the pitting corrosion potential of stainless steel in sodium chloride solution 金属和合金的腐蚀 不锈钢在氯化钠溶液中点蚀电位的动电位测量方法 |
China National Standards pot |
English PDF |
| GB/T 10510-2023 |
Nitrate phosphate fertilizer, Nitrate phosphate potassium fertilizer 硝酸磷肥、硝酸磷钾肥 |
China National Standards pot |
English PDF |
| GB/T 649-2023 |
Chemical reagent potassium bromide 化学试剂 溴化钾 |
China National Standards pot |
English PDF |
| GB/T 42511-2023 |
Cemented carbide - Determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cobalt powder - Flame atomic absorption spectrometry 硬质合金 钴粉中钙、铜、铁、钾、镁、锰、钠、镍和锌含量的测定 火焰原子吸收光谱法 |
China National Standards pot |
English PDF |
| GB/T 42513.1-2023 |
Methods for chemical analysis of nickel alloys - Part 1: Determination of chromium content - Ferrous ammonium sulfate potentiometric titration method 镍合金化学分析方法 第1部分：铬含量的测定 硫酸亚铁铵电位滴定法 |
China National Standards pot |
English PDF |
| GB/T 42761-2023 |
Method for assessing the corrosivity potential of oral cleaning and care solutions to dental hard tissues 口腔清洁护理液对牙齿硬组织潜在腐蚀性的评估方法 |
China National Standards pot |
English PDF |
| GB/T 10815-2023 |
Fine pottery for daily use 日用精陶器 |
China National Standards pot |
English PDF |
| GB/Z 42353-2023 |
Operation Guide for Zeta potential Determination Zeta电位测定操作指南 |
China National Standards pot |
English PDF |
| GB/T 42487-2023 |
Soil quality - Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen - potassium chloride solution leaching flow analysis method 土壤质量 土壤硝态氮、亚硝态氮和铵态氮的测定 氯化钾溶液浸提流动分析法 |
China National Standards pot |
English PDF |
| GB/T 42308-2023 |
potentiometers for electronic equipment - Part 6-1: Blank detail specification - Surface mount preset potentiometers - Assessment level EZ 电子设备用电位器 第6-1部分：空白详细规范 表面安装预调电位器 评定水平EZ |
China National Standards pot |
English PDF |
| GB/T 17112-2022 |
Spot drill 定心钻 |
China National Standards pot |
English PDF |
| GB/T 223.63-2022 |
Iron, steel and alloys - Determination of manganese content - Sodium (potassium) periodate spectrophotometric method 钢铁及合金 锰含量的测定 高碘酸钠（钾）分光光度法 |
China National Standards pot |
English PDF |
| GB/Z 41259-2022 |
Determination of quaternary ammonium salt in preservative wood and wood preservatives by automatic potentiometric titration 自动电位滴定仪测定防腐木材和木材防腐剂中季铵盐的方法 |
China National Standards pot |
English PDF |
| GB/T 4736-2022 |
Test method for air permeability of daily pottery 日用陶器透气性测定方法 |
China National Standards pot |
English PDF |
| GB/T 41467-2022 |
Measurement and calculation of spot color gradation in printing technology 印刷技术 专色阶调值的测量与计算 |
China National Standards pot |
English PDF |
| GB/T 41458-2022 |
Space environment is the plasma environment that produces the worst potential difference on the surface of spacecraft 空间环境 产生航天器表面最恶劣电位差的等离子体环境 |
China National Standards pot |
English PDF |
| GB/T 41396-2022 |
Application technical requirements of Digital City Scenic Spot Tourism all-in-one card 数字城市景区旅游一卡通 应用技术要求 |
China National Standards pot |
English PDF |
| GB/T 16886.9-2022 |
Biological evaluation of medical devices - Part 9: Qualitative and quantitative framework for potential degradation products 医疗器械生物学评价 第9部分：潜在降解产物的定性和定量框架 |
China National Standards pot |
English PDF |
| GB/T 26416.4-2022 |
Methods for chemical analysis of rare earth iron alloys - Part 4: Determination of iron content - potassium dichromate titration method 稀土铁合金化学分析方法 第4部分：铁量的测定 重铬酸钾滴定法 |
China National Standards pot |
English PDF |
| GB 7300.303-2022 |
Feed additives - Part 3: Mineral elements and their complexes (chelates) - potassium iodate 饲料添加剂 第3部分：矿物元素及其络(螯)合物 碘酸钾 |
China National Standards pot |
English PDF |
| GB/T 3836.36-2022 |
Explosive atmospheres - Part 36: Electrical safety devices for the control of potential sources of ignition in explosion-proof equipment 爆炸性环境 第36部分：控制防爆设备潜在点燃源的电气安全装置 |
China National Standards pot |
English PDF |
| GB/T 41793-2022 |
Test method for artificial leather and synthetic leather - Determination of potential phenolic yellowing 人造革合成革试验方法 潜在酚黄变的测定 |
China National Standards pot |
English PDF |
| GB/T 5686.1-2022 |
Ferromanganese, manganese silicon alloy, ferromanganese nitride and metal manganese Determination of manganese content potentiometric titration, ammonium nitrate oxidation titration and perchloric acid oxidation titration 锰铁、锰硅合金、氮化锰铁和金属锰 锰含量的测定 电位滴定法、硝酸铵氧化滴定法及高氯酸氧化滴定法 |
China National Standards pot |
English PDF |
| GB/T 6150.2-2022 |
Methods for chemical analysis of tungsten concentrates - Part 2: Determination of tin content - potassium iodate titration and inductively coupled plasma atomic emission spectrometry 钨精矿化学分析方法 第2部分：锡含量的测定 碘酸钾滴定法和电感耦合等离子体原子发射光谱法 |
China National Standards pot |
English PDF |
| GB/T 5686.2-2022 |
Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metal manganese-silicon content Molybdenum blue spectrophotometry, potassium fluorosilicate titration and perchloric acid gravimetric method 锰铁、锰硅合金、氮化锰铁和金属锰 硅含量的测定 钼蓝分光光度法、氟硅酸钾滴定法和高氯酸重量法 |
China National Standards pot |
English PDF |
| GB/T 38265.3-2022 |
Test methods for soldering fluxes - Part 3: Determination of acid value - potentiometric and visual titration 软钎剂试验方法 第3部分：酸值的测定 电位滴定法和目视滴定法 |
China National Standards pot |
English PDF |
| GB/T 41979.5-2022 |
Friction stir spot welding of aluminum and aluminum alloys - Part 5: Quality and inspection requirements 搅拌摩擦点焊 铝及铝合金 第5部分: 质量与检验要求 |
China National Standards pot |
English PDF |
| GB/T 41979.4-2022 |
Friction stir spot welding of aluminum and aluminum alloys - Part 4: Welding procedure specification and qualification 搅拌摩擦点焊 铝及铝合金 第4部分:焊接工艺规程及评定 |
China National Standards pot |
English PDF |
| GB/T 41979.3-2022 |
Friction stir spot welding of aluminum and aluminum alloys - Part 3: Skill assessment of welding operators 搅拌摩擦点焊 铝及铝合金 第3部分:焊接操作工的技能评定 |
China National Standards pot |
English PDF |
| GB/T 41979.2-2022 |
Friction stir spot welding of aluminum and aluminum alloys - Part 2: Design of welded joints 搅拌摩擦点焊 铝及铝合金 第2部分:焊接接头设计 |
China National Standards pot |
English PDF |
| GB/T 41979.1-2022 |
Friction stir spot welding of aluminum and aluminum alloys - Part 1: Terms and definitions 搅拌摩擦点焊 铝及铝合金 第1部分:术语及定义 |
China National Standards pot |
English PDF |
| GB/T 40346-2021 |
Equipment for crop protection—Method for measurement of potential spray drift from horizontal boom sprayers by the use of a test bench 植物保护机械 水平喷杆喷雾机潜在喷雾漂移试验台测量方法 |
China National Standards pot |
English PDF |
| GB/T 1918-2021 |
potassium nitrate for industrial use 工业硝酸钾 |
China National Standards pot |
English PDF |
| GB/T 26519.2-2021 |
Persulfate for industrial use—Part 2:potassium persulfate for industrial use 工业过硫酸盐 第2部分：工业过硫酸钾 |
China National Standards pot |
English PDF |
| GB/T 40272-2021 |
Paper,board,pulps and cellulose nanomaterials—Determination of acid-soluble magnesium,calcium,manganese,iron,copper,sodium and potassium 纸、纸板、纸浆和纤维素纳米材料 酸溶镁、钙、锰、铁、铜、钠、钾的测定 |
China National Standards pot |
English PDF |
| GB/T 40140-2021 |
Detection and identification of grape spike-stalk brown spot 葡萄轴枯病菌检疫鉴定方法 |
China National Standards pot |
English PDF |
| GB/T 18216.4-2021 |
Electrical safety in low voltage distribution systems up to 1 000 V a. c and 1 500 V d. c - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding 交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第4部分：接地电阻和等电位接地电阻 |
China National Standards pot |
English PDF |
| GB/T 39782-2021 |
Specifications for safe firing area map-drawing of anti-aircraft gun at weather modification operating spots 人工影响天气高炮作业点安全射界图绘制规范 |
China National Standards pot |
English PDF |
| GB/T 40033-2021 |
Validation of land surface evapotranspiration remote sensing products 地表蒸散发遥感产品真实性检验 |
China National Standards pot |
English PDF |
| GB/T 39916-2021 |
Guidelines for the establishment of plant quarantine system in entry and exit container depot 进出境集装箱场站植物检疫防疫体系建立指南 |
China National Standards pot |
English PDF |
| GB/T 39748.10-2021 |
Urine-absorbing aids for incontinence -- Test methods for characterizing polymer-based absorbent materials -- Part 10: Determination of extractable polymer content by potentiometric titration 失禁用尿吸收辅助器具 聚合物基质吸液材料特性的测定方法 第10部分：电位滴定法测定可萃取聚合物量 |
China National Standards pot |
English PDF |
| GB/T 41223-2021 |
Soil quality—Determination of potential nitrification and inhibition of nitrification—Rapid test by ammonium oxidation 土壤质量 硝化潜势和硝化抑制作用的测定 氨氧化快速检测法 |
China National Standards pot |
English PDF |
| GB/T 29379-2021 |
Code of practice for virus free seed potatoes storage and transportation 马铃薯脱毒种薯贮藏、运输技术规程 |
China National Standards pot |
English PDF |
| GB/T 40744-2021 |
Determination of solanesol in potato stems，leaves and their processed products. High performance liquid chromatography-mass spectrometry 马铃薯茎叶及其加工制品中茄尼醇的含量测定 高效液相色谱-质谱法 |
China National Standards pot |
English PDF |
| GB/T 18996-2021 |
Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using sodium chloride or potassium chloride 银合金首饰 银含量的测定 氯化钠或氯化钾容量法(电位滴定法) |
China National Standards pot |
English PDF |
| GB/T 17832-2021 |
Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using potassium bromide 银合金首饰 银含量的测定 溴化钾容量法(电位滴定法) |
China National Standards pot |
English PDF |
| GB/T 40658-2021 |
potassium bromide optical elements 溴化钾光学元件 |
China National Standards pot |
English PDF |
| GB/T 40562-2021 |
potentiometers for use in electronic equipment—Part 6:Sectional specification—Surface mount preset potentiometers 电子设备用电位器 第6部分：分规范 表面安装预调电位器 |
China National Standards pot |
English PDF |
| GB/T 39138.1-2020 |
Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1：Determination of gold content—potentiometric titration using ferrous sulfate 金镍铬铁硅硼合金化学分析方法 第1部分：金含量的测定 硫酸亚铁电位滴定法 |
China National Standards pot |
English PDF |
| GB/T 39165-2020 |
Test method of peel and chisel for resistance spot and projection welds 电阻点焊及凸焊接头的剥离和凿离试验方法 |
China National Standards pot |
English PDF |
| GB/T 39166-2020 |
Test method of mechanized peel for resistance spot, projection and seam welds 电阻点焊、凸焊及缝焊接头的机械剥离试验方法 |
China National Standards pot |
English PDF |
| GB/T 39167-2020 |
Test method of tensile shear for resistance spot and embossed projection welds 电阻点焊及凸焊接头的拉伸剪切试验方法 |
China National Standards pot |
English PDF |
| GB/T 34609.2-2020 |
Method for chemical analysis of rhodium compounds—Part 2: Determination of silver,gold,platinum...potassium,chromium and silicon contents—Inductively coupled plasma atomic emission spectrometry 铑化合物化学分析方法 第2部分：银、金、铂、钯、铱、钌、铅、镍、铜、铁、锡、锌、镁、锰、铝、钙、钠、钾、铬、硅含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards pot |
English PDF |
| GB/T 39081-2020 |
Test method of cross tension test for resistance spot and embossed projection welds 电阻点焊及凸焊接头的十字拉伸试验方法 |
China National Standards pot |
English PDF |
| GB/T 39082-2020 |
Test method of vickers hardness testing for resistance spot,projection and seam welds 电阻点焊、凸焊及缝焊接头的维氏硬度试验方法 |
China National Standards pot |
English PDF |
| GB/T 38812.3-2020 |
Direct reduced iron—Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content—Inductively coupled plasma atomic emission spectrometric method 直接还原铁 硅、锰、磷、钒、钛、铜、铝、砷、镁、钙、钾、钠含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards pot |
English PDF |
| GB/T 38812.2-2020 |
Direct reduced iron—Determination of metallic iron content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride 直接还原铁 金属铁含量的测定 三氯化铁分解重铬酸钾滴定法 |
China National Standards pot |
English PDF |
| GB/T 38812.1-2020 |
Direct reduced iron—Determination of iron(Ⅱ) content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride 直接还原铁 亚铁含量的测定 三氯化铁分解重铬酸钾滴定法 |
China National Standards pot |
English PDF |
| GB/T 8454-2020 |
Reduced ilmenite powder for welding rob—Determination of ferrous iron content—potassium dichromate titrimetric method 焊条用还原钛铁矿粉 亚铁含量的测定 重铬酸钾滴定法 |
China National Standards pot |
English PDF |
| GB/T 8704.5-2020 |
Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method 钒铁 钒含量的测定 硫酸亚铁铵滴定法和电位滴定法 |
China National Standards pot |
English PDF |
| GB/T 38788-2020 |
Technical specification for establishment of porcine pluripotent stem cells 猪多能干细胞建系技术规范 |
China National Standards pot |
English PDF |
| GB/T 17475-2020 |
Standard test method for distillation of heavy hydrocarbon mixtures—Vacuum potstill method 重烃类混合物蒸馏试验 真空釜式蒸馏法 |
China National Standards pot |
English PDF |
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