type level gauges
7 ISO 13689：2001，Refrigerated light hydrocarbon fluids — Measure。 ment of liquid levels in tanks containing liquefied gases — Microwave — type level gauge- \\+ R, B2 J5 u% j& u3 g
8 ISO 18132 —1：2006．Refrigerated light hydro carbon fluids — General2 requirements for automatic level gauges — Part I： Gauges onboard& Aships carrying liquefied gases
9 ISO／WD 18132—2．Refrigerated light hydrocarbon fluids —General2 requirements for automatic level gauges —Part 2：Gauges in refrigera。 ted—type shore tanks 10 ISO 8310：1991，Refrigerated light hydrocarbon fluids — Measurementof temperature in tanks containing liquefied gases —- Resistance thermometers and thermocouples8 m7 1 1 ISO 8943：1991，Refrigerated light hydrocarbon fluids — Sampling ofliquefied natural gas — Continuous method
12 ISO 6578：1991，Refrigerated hydrocarbon fluids — Static measurement.— Calculation procedure
13 ASTM 1)4784 —-93 Standard Specification for LNG Density Calcula--tion Models 14 GB／T 11062—1998天然气发热量、密度、相对密度和沃泊指数,计算方法
15 ISO 6976：1995，Natural gas—Calculation of calorific values，density， relative density and Wobbe index from .position 16 GB／T 13610—2003，天然气组成分析气相色谱法
17 ASTM D1945—1996，Natural gas— Determination of hydrogen，inertgases and hydrocarbon—Gas chromatographic method
1 8 ISO 6974 — 1：2000．Natural Gas — Determination of .positionwith defined uncertainty by gas chromatography— part 1：Guidelines Mfor tailored analysis$ 19 ISO 6974 —2：2001，Natural Gas — Determination of .position
with defined uncertainty by gas chromatography— part 2：Measuring— system characteristics and statistics for processing data
20 ISO 6974 —3：2000， Natural Gas — Determ ination of .position1with defined uncertainty by gas chromatography— part 3：Determi。 nation of hydrogen，helium ，oxygen，nitrogen， carbon dioxide and
hydrocarbons up to C8 using two packed columns 21 ISO 6974 —4：2000， Natural Gas — Determ ination of .position8 V% w\Q8 d F' K) d with defined uncertainty by gas chromatography— part 4：Determi。 nation of nitrogen，carbon dioxide and CI to C5 and C6+ hydroear。 bons for a laboratory and Oil—line measuring system using two col·
22 ISO 6974 —5：2000，Natural Gas — Determination of .position with defined uncertainty by gas chromatography— part 5：Determ i。 nation of nitrogen，carbon dioxide and CI to C5 and C6+ hydroearbons
for a laboratory and Oh — line process application using three columns
23 ISO 6974 —6：2002．Natural Gas — Determination of .positionwith defined uncertainty by gas chromatography— part 6：Determi。nation of hydrogen，helium ，oxygen， nitrogen，carbon dioxide andhydrocarbons up to C8 using three capillary columns
24 GPA 2261：2000，Analysis for Natural Gas and Similar Gaseous Mixtures by Gas chromatography
25 JJG 168—1987，立式金属罐容量试行检定规程 收稿日期：2006—11—09
液化天然气的计量方法及其标准化
