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JB/T 9220.1-1999 Chemical analysis methods for acid slay of cupola - Genreal rules and spercifications $104.00 via email in 1~3 business day superseded
JB/T 9220.10-1999 Chemical analysis methods for acid slay of cupola - Determination of sulphur by gravimetric method using barium sulfate $104.00 via email in 1~3 business day superseded
JB/T 9220.11-1999 Chemical analysis methods for acid slay of cupola - Determination of sulphur by volumetric method using combustion of potassium iodare $60.00 via email in 1~3 business day valid
JB/T 9220.2-1999 Chemical analysis methods for acid slay of cupola - Determination of silica by gravimetric method using perchloric acid dewatering $104.00 via email in 1~3 business day superseded
JB/T 9220.3-1999 Chemical analysis methods for acid slay of cupola - Determination of ferrous oxide by volumetric method using potassium dichromate $100.00 via email in 1~3 business day superseded
JB/T 9220.4-1999 Chemical analysis methods for acid slay of cupola - Determination of manganous oxide by volumetric method using sodium arsenite-sodium nitrite $130.00 via email in 1~3 business day superseded
JB/T 9220.5-1999 Chemical analysis methods for acid slay of cupola - Determination of aluminium oxide by volumetric method using sodium fluirids - EDTA $130.00 via email in 1~3 business day superseded
JB/T 9220.6-1999 Chemical analysis methods for acid slay of cupola - Determination of calcium oxide by DDTC separation process and EGTA volumetric method $130.00 via email in 1~3 business day superseded
JB/T 9220.7-1999 Chemical analysis methods for acid slay of cupola - Determination of calcium oxide by volumetric method using potassium permanganate $130.00 via email in 1~3 business day superseded
JB/T 9220.8-1999 Chemical analysis methods for acid slay of cupola - Determination of magnesium oxide by DDTC separation process and EDTA volumetric method $30.00 via email in 1~3 business day superseded
JB/T 9220.9-1999 Chemical analysis methods for acid slay of cupola - Determination of phosphorus pentoxide by extraction ketone $130.00 via email in 1~3 business day superseded
JB/T 9221-1999 Test method for effective bentonite and effective seacoal aontent in green molding sand $90.00 via email in 1~3 business day superseded
JB/T 9222-1999 Seacoal for green sand mold $224.00 via email in 1~3 business day superseded
JB/T 9222-2008 Seacoal for green sand mold $120.00 via email in 1~3 business day valid
JB/T 9224-1999 Standard sand for checking foundry binder $220.00 via email in 1~3 business day abolished
JB/T 9226-1999 Coatings for sand casting $300.00 via email in 1~3 business day valid
JB/T 9226-2008 Coatings for sand casting $150.00 via email in 1~3 business day valid
JB/T 9228-1999 Spheroidizers for spheroidal graphite cast irons $150.00 via email in 1~3 business day valid
JBrr 4730.1-2005 Carbon Steel Castings for General Engineering Purpose $160.00 immediately valid
JC 401.1-1991(1996) $60.00 via email in 1~3 business day superseded
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