Matrix Modifiers allow the optimization of analytical conditions to provide better GFAA instrument response and better detection limits. All commonly used products are available in addition to custom formulations.  

Matrix Modifiers



• Prepared from 99.999% pure starting materials
    -  Extremely low level of metallic impurities in the final solution

• Custom formulations available
    -  Designed for your specific application

• Complete Certificate of Analysis listing the actual
   concentration and the level of metallic impurities
    -  Complete documentation for audit purposes

• Matrix Modifier Flyer (PDF, 60KB)

Matrix Modifiers    
Description Formulation
Catalog Number
    100 ml 250 ml 500 ml
Magnesium Nitrate 2% Mg in 5% HNO3 140-003-031 140-003-032 140-003-035
Palladium Nitrate 0.2% Pd in 5% HNO3 140-003-061 140-003-062 140-003-065
Palladium Nitrate 2% Pd in 5% HNO3 140-003-091 140-003-092 140-003-095
Calcium Nitrate 2% Ca in 5% HNO3 140-003-121 140-003-122 140-003-125
Ammonium Phosphate 40% w/v in 2% HNO3 140-003-151 140-003-152 140-003-155
Ammonium Nitrate 5% w/v in 2% HNO3 140-003-181 140-003-182 140-003-185
Palladium/Magnesium Nitrate 0.3% Pd + 0.5% Mg in 1% HNO3 140-003-191 140-003-192 140-003-195
Nickel Nitrate 5% Ni in 5% HNO3 140-003-211 140-003-212 140-003-215


Ionization Buffers        
Description Formulation
Catalog Number
    100 ml 250 ml 500 ml
Cesium Chloride 1% Cs in 2% HCl 140-003-241 140-003-242 140-003-245
Cesium Nitrate 1% Cs in 2% HNO3 140-003-271 140-003-272 140-003-275
Lithium Chloride 2% Li in 2% HCl 140-003-301 140-003-302 140-003-305
Lithium Nitrate 2% Li in 2% HNO3 140-003-331 140-003-332 140-003-335
Potassium Chloride 1% K in 2% HCl 140-003-361 140-003-362 140-003-365
Potassium Nitrate 1% K in 2% HNO3 140-003-391 140-003-392 140-003-395

Releasing Agents        
Description Formulation
Catalog Number
    100 ml 250 ml 500 ml
Lanthanum Chloride 5% La in 5% HCl 140-003-421 140-003-422 140-003-425
Lanthanum Nitrate 5% La in 5% HNO3 140-003-451 140-003-452 140-003-455