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JB/T 9548.2-1999 Methods for chemical analysis of iron-chromium-aluminium alloys The gas-volumetric method for the determination of carbon content $184.00 immediately superseded
JB/T 9548.3-1999 Methods for chemical analysis of iron-chromium-aluminium alloys The sodium periodate photometric method for the determination of manganese content $184.00 immediately superseded
JB/T 9548.4-1999 Methods for chemical analysis of iron-chromium-aluminium alloys The photometric acid dehydration gravimetric mehtod for the determination of silicon content $164.00 immediately valid
JB/T 9548.5-1999 Methods for chemical analysis of iron-chromium-aluminium alloys The silicomolybdate blue photometric method for the determination of silicon content $184.00 immediately superseded
JB/T 9548.6-1999 Methods for chemical analysis of iron-chromium-aluminium alloys The persulfate oxidation volumetric method for the determination of chromium content $184.00 immediately superseded
JB/T 9548.7-1999 Methods for chemical analysis of iron-chromium-aluminium alloys The dimethylglyoxime photometric method for the determination of nickel content $184.00 immediately superseded
JB/T 9548.8-1999 Methods for chemical analysis of iron-chromium-aluminium alloys Sodium hydroxide separation-complex titration method for determination of aluminium content $184.00 immediately superseded
JB/T 9548.9-1999 Methods for chemical analysis of iron-chromium-aluminium alloys The thiocyanate photometriec method for the determination of molybdenum content $184.00 immediately superseded
JB/T 9549-2014 Vacuum Copper - Technical Specification $164.00 via email in 1~3 business day valid
JB/T 9550-1999 Technical specification for copper-bismuth-electrical contact materials $120.00 via email in 1~3 business day superseded
JB/T 9550-2011 Technical specification for copper-bismuth-silver electrical contact materials $150.00 via email in 1~3 business day valid
JB/T 9551-1999 Standard test method for thermal deflection rate of spiral and helical coils of thermostat metals $264.00 via email in 1~3 business day valid
JB/T 9552.1-1999 Methods for chemical analysis of copper-chromium-zirconium alloys The determination of copper by electrolytic method $90.00 via email in 1~3 business day valid
JB/T 9552.2-1999 Methods for chemical analysis of copper-chromium-zirconium alloys The determination of chromium by persulfate oxidation volumetric method $104.00 via email in 1~3 business day valid
JB/T 9552.3-1999 Methods for chemical analysis of copper-chromium-zirconium alloys The determination of chromium by atomic absorption spectrophotometric method $90.00 via email in 1~3 business day valid
JB/T 9552.4-1999 Methods for chemical analysis of copper-chromium-zirconium alloys The determination of chromium by diphenel carbalide photometric method $84.00 via email in 1~3 business day valid
JB/T 9552.5-1999 Methods for chemical analysis of copper-chromium-zirconium alloys The determination of zirconium by xylenolrange photometric method $84.00 via email in 1~3 business day valid
JB/T 9552.6-1999 Methods for chemical analysis of copper-chromium-zirconium alloys The determination of zirconium by arsenazo Ⅲ photometric method after fuse with potassium phrosuifate $84.00 via email in 1~3 business day valid
JB/T 9552.7-1999 Methods for chemical analysis of copper-chromium-zirconium alloys The determination of magnesium by atomic absorption spectrop hotometric mithod $90.00 via email in 1~3 business day valid
JB/T 9552.8-1999 Methods for chemical analysis of copper-chromium-zirconium alloys The determination of magnesium by chromotrope 2R photometric method $84.00 via email in 1~3 business day valid
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