Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 6288-1986 Determination of particle size for granular molecular sieve 60.0 via email in 1~3 business day valid
HG/T 3543-2006 Analytical method of chemical composition in natural gas reforming catalyst 150.0 via email in 1~3 business day superseded
HG/T 2271-2014 The platinum catalyst Oxidizing ammonia into nitric acid 120.0 via email in 1~3 business day valid
HG/T 3550-2013 Ammonia Synthesis Catalyst 60.0 via email in 1~3 business day valid
HG/T 2783-1996 Test Methods for Crushing Strength of Molecular Sieve 90.0 via email in 1~3 business day valid
GB/T 6286-1986 Determination of bulk density for molecular sieve 60.0 via email in 1~3 business day valid
HG/T 4347-2012 Naphtha steam reforming catalysts 90.0 via email in 1~3 business day valid
GB/T 31587-2015 Honeycomb-type DeNOx catalysts 255.0 via email in 1~3 business day valid
HG/T 4557-2013 The Catalyst for Nitrobenzene Hydrogenation to Aniline 120.0 via email in 1~3 business day valid
GB/T 23592-2009 Catalyst for motorcycle exhaust purification 120.0 via email in 1~3 business day valid
HG/T 4192-2011 Low-level mercury catalyst for chloroethylene synthesis 120.0 via email in 1~3 business day valid
YS/T 210-1994 Pelleted catalyst of platinum for diesel engine exhaust gases purification 45.0 via email in 1~3 business day superseded
HG/T 4675-2014 30.0 via email in 1~3 business day valid
HG/T 2273.4-2006 Test method of natural gas reforming catalyst for primary and secondary reformer 105.0 via email in 1~3 business day superseded
HG/T 3546-2011 High temperature carbon monoxide shift catalysts 120.0 via email in 1~3 business day valid
MT 37-1980 Crystallization Aluminum Chloride Used for Investment Casting 90.0 via email in 1~3 business day valid
GB/T 18881-2009 GB/T 18881-2009 40.0 via email in 1~2 business day valid
GB/T 31584-2015 Plate-type DeNOx catalysts 225.0 via email in 1~3 business day valid
GB/T 18881-2002 Catalyst for petrol vehicle exhaust purification 135.0 via email in 1~3 business day superseded
HG/T 2271-2007 The platinum catalyst Oxidizing ammonia into nitric acid 150.0 via email in 1~3 business day superseded
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