NIST

STANDARD;TYPE NBS 696; DIMENSION 100 G; MATERIAL BAUXITE; PACKING STD:100 G/BOTTLE

STANDARD; TYPE NBS 699; DIMENSION 120 G; MATERIAL ALUMINA; PACKING STD:120G/BOTTLE

STANDARD;TYPE NBS 697; DIMENSION 100 G; MATERIAL BAUXITE; PACKING STD:100 G/BOTTLE

STANDARD SAMPLE: LOW STEEL LEATHER; DISK; DIAMETER (S) 34 MM; THICKNESS 19 MM; COMMERCIAL REFERENCE: NIST 1766; PROVIDE SAMPLE WITH CERTIFICATE OF ANALYSIS MEASURING THE REQUIREMENTS OF ISO-IEC-17025 TO PROVIDE SAMPLE IN LACRED PACKAGING WITH IDEAL

1. PORTLAND STANDARD SOLUTION CEMENT1886A NIST STANDARD SOLUTION TYPE:REFERENCE NAME:PORTLAND CEMENT 1886A CONCENTRATION:VARIOUS ELEMENTS FORMULA:SIO2 AL2O3 FE2O3 CAO MGO SO3 NA2O K2O TIO2 P2O5 MN2O3 CR2O3 SUPPLY:5G BOTTLE APPLICATION:CHEMICAL ANALYSIS

REFERENCE MATERIAL; LOW ALLOY STEEL; PHYSICAL STATE: SOLID; FORMAT: DISC; COMPOSITION: IRON 95,1PCT TUNGSTENIO 0,0016PCT; CERTIFICATE QUALITY: C / CERTIFICATE; REFERENCE / MANUFACTURER: SRM 1764A / NIST;

STANDARD SAMPLE DISC 1766 STANDARD SAMPLE: MATERIAL LOW ALLOY STEEL; PRESENTATION DISC; DIMENSIONS 34 X 19 MM; PACKAGE NOT APPLICABLE; ADDITIONAL CHARACTERISTIC NOT APPLICABLE; COMMERCIAL REFERENCE NIST 1766