| Standard No. | 
                        Title | 
                        Price(USD) | 
                        Delivery | 
                        Status | 
                        Add To Cart | 
                    
                                        
                        | GB 223.42-1985 | 
                        Methods for chemical analysis of iron,steel and alloy; The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalum content | 
                         60 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                             VALID                                                                                                                                             
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                        | GB 223.58-1987 | 
                        Methods for chemical analysis of iron,steel and alloy; The sodium arsenite-sodium nitrite titrimetric method for the determination of manganese content | 
                         | 
                        via email in
                                                                                                                                                                        
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                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | WM 3011-1987 | 
                         | 
                         45 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
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                        | GB 223.32-1984 | 
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                         60 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
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                                                                                                                                             ABOLISHED                             
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                                                                                   | 
                    
                                        
                        | GB 3654.6-1983 | 
                        Methods for chemical analysis of ferroniobium;The combustion iodate volumetric method for the determination of sulfur content | 
                         45 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
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                                                                                   | 
                    
                                        
                        | SN/T 2079-2008 | 
                        Method for analysis of stainless and alloy steels—X-ray fluorescence spectrometry | 
                         105 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | GB 4333.1-1984 | 
                        Methods for chemical analysis of ferrosilicon;The perchloric acid dehydration-gravimetric method for the determination of silicon content | 
                         45 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | GB 223.59-1987 | 
                        Methods for chemical analysis of iron,steel and alloy; The reduced molybdoantimonyl phosphoric acid photometric method for the determination of phosphorus content | 
                         75 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YB/T 5339-2015 | 
                        Ferrophosphorus. Determination of carbon content. The infrared absorption method | 
                         144 (USD)  | 
                        via email in
                                                            1 business day
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YB/T 4218-2010 | 
                        Vanadium  pentoxide——  Determination  of  vanadium  pentoxide    content——The  ammonium  persulfate oxidation  titrimetric  method | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | GB 223.56-1987 | 
                        Methods for chemical analysis of iron,steel and alloy; The sulfhydryl cotton fiber separation-oscillopolarographic method for the determination of tellurium content | 
                         60 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YB/T 4528-2016 | 
                        Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YB/T 5340-2006 | 
                        Methods for chemical analysis of ferrophorus The gasometric method for the determination of carbon content | 
                         375 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | GB 223.22-1982 | 
                         | 
                         45 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | GB 7730.7-1988 | 
                        Methods for chemical analysis of ferromanganese and blast furnace ferromanganese; The gravimetric method for determination of carbon content | 
                         60 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YB/T 178.6-2000 | 
                        Methods for chemical analysis of silicon-aluminium alloy and silicon-barium-aluminium alloy The infrared absorption method for the determination of carbon content | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YB/T 5334-2009 | 
                        Vanadium pentoxid-Determination of arsenic content-The AgDDTC spectrophotometric method | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YB/T 5341-2006 | 
                        Methods for chemical analysis of ferrophorus The infrared absorption method for the determination of sulfur content | 
                         45 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | DB37/T 3589-2019 | 
                        Remanufacturing  Test sample preparation method for bonding strength of laser cladding layer and substrate | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | GB 7730.9-1988 | 
                        Methods for chemical analysis of ferromanganese and blast furnace ferromanganese; The combustion-neutralization titration method for the determination of sulfur content | 
                         60 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
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