| Standard No. | 
                        Title | 
                        Price(USD) | 
                        Delivery | 
                        Status | 
                        Add To Cart | 
                    
                                        
                        | GB 719-1984 | 
                        Pig iron;sampling for chemical analysis | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | GB 8654.1-1988 | 
                        Methods for chemical analysis of manganese metal; The ortho-phenanthroline photometric method for the determination of iron content | 
                         45 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YB/T 5340-2015 | 
                        Ferrophosphorus. Determination of carbon content. Gas-volumetric method | 
                         144 (USD)  | 
                        via email in
                                                            1 business day
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | GB 7731.5-1987 | 
                        Methods for chemical analysis of ferrotungsten-The molybdenum blue photometric method for the determination of silicon content | 
                         30 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YB/T 4199-2009 | 
                        Vanadium pentoxide-Determination of iron content-The flame atomic absorption spectrometric method | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YB/T 5332-2009 | 
                        Vanadium pentoxid-Determination of sulfur content-The barium sulphate gravimetric method | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | GB 8654.4-1988 | 
                        Methods for chemical analysis of manganese metal; The perchloric acid dehydration gravimetric method for the determination of silicon content | 
                         30 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YB/T 4200-2009 | 
                        Vanadium pentoxid-Determination of sulphur phosphorus arsenic and iron content-The inductively coupled plasma atomic emission spectrometric method | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YB/T 4217.1-2010 | 
                        Coatings of the hot dip galvanizing(zinc-aluminum) sheet – Determination of hexavalent Cr content – Spectrophotometric method | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | GB 7731.6-1987 | 
                        Methods for chemical analysis of ferrotungsten-The molybdenum blue photometric method for the determination of arsenic content | 
                         45 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YB/T 4529-2016 | 
                        Nitrogen-bearing ferromanganese—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 4217.2-2010 | 
                        Coatings of the hot dip galvanizing(zinc-aluminum) sheet – Determination of Hg content – Atomic absorption spectrometric method | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YB/T 5313-2006 | 
                        Methods for chemical analysis of calcium-silicon The EDTA titrimetric method for the determination of calcium content | 
                         45 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YB/T 5335-2006 | 
                        Methods for chemical analysis of vanadium pentoxide The atomic absorption spectrophotometric method for the determination of sodium oxide and potassium oxide contents | 
                         75 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | GB 223.46-1989 | 
                        Methods for chemical analysis of iron, steel and alloy The flame atomic absorption spectrometric methods for the determination of magnesium content | 
                         | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | GB 4333.5-1984 | 
                         | 
                         60 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | GB 223.57-1987 | 
                        Methods for chemical analysis of iron,steel and alloy; The extraction-absorption catalytic polarographic method for the determination of cadmium content | 
                         45 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                                                        
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YB/T 178.7-2008 | 
                        Silicon-aluminium alloy and silicon-barium-aluminium alloy-Determination of sulfur content-Infrared absorption method | 
                         90 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YB/T 4532-2016 | 
                        Ferrophosphorus—Determination of phosphorus content—Acid-base titration method | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | GB 223.29-1984 | 
                        Methods for chemical analysis of iron,steel and alloy;The xylenol orange photometric method for determination of lead content after carrier precipitation | 
                         45 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                         | 
                             
 
                         |