| 8 | nickel & nickel alloys | 8 | Al | Methods for chemical analysis of nickel-copper alloy Part 5:Determination of aluminum content-The Na2EDTA titrimetric method YS/T 325.5-2009 |
| 9 | Ti | Methods for chemical analysis of nickel-copper alloy Part 6:Determination of titanium content-The diantipyrylmethane spectrophotometric method YS/T 325.6-2009 |
| 10 | Method for chemical analysis of nickel base alloy powder-Part 4:Determination of chromium content-Ammonium persulfate oxidation titration YS/T 539.4-2009 |
| Cr | Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy-Part 2:Determination of chromium content JB/T 6326.2-2008 |
| 11 | ASTM E1473 - 16 |
| 12 | ASTM E1473 - 16 |
| 13 | Cr | ASTM E1473 - 16 |
| 14 | ASTM E1835 - 14 |
| 15 | ASTM E 1917 -13 |
| 16 | Ti | ASTM E 1938 -13 |
| 17 | ASTM E 2465-13 |
| 18 | Al，B，Ca，Cu，Mg，Mn，Nb，P，Ta，Sn，Ti，W，V，Zr | ASTM E 2594 −09 |
| 19 | Sb，Bi，Ga，Pb，Ag，Sn，Tl | ASTM E 2823 −17 |
| 9 | tin & tin alloys | 1 | Sn | Methods for chemical analysis of tin-lead solders一Determination of tin content GB/T 10574.1-2003 |
| 2 | Sb、Bi、Fe、As、Cu、Ag、Zn、Al、Cd、P、Au | Methods for chemical analysis of tin-lead solders- Part 13:Determination of antimony，bismuth，iron，arsenic，copper， silver，zinc，aluminium，cadmium，phosphorous and gold contents- Inductively coupled plasma atomic emission spectrometric method GB/T 10574.13-2017 |
| 1 | plastics and plastics products | 1 | Gas Transmission--Differential | Plastics--Film and sheeting--Determination of gas transmission--Differential-pressure method GB/T 1038-2000 |
| ASTM D1434-82(2015)Ɛ1 |
| ISO 2556:1974 |
| DIN EN ISO 2556:2001 |
| BS EN ISO 2556:2001 |
