| 2902 |
FLUORIDE STANDARD SOL. 1000 ppm of F |
| 2904 |
NITRATE STANDARD SOL. 1000 ppm of NO3 |
| 2905 |
TIN (II) OXIDE |
| 2906 |
SULPHURIC ACID 98/99% T |
| 2908 |
AJUSTADOR Y TAMPON FUERZA IONICA TOTAL II |
| 2909 |
PATRON DE MAGNESIO 100 ppm |
| 2910 |
PATRON DE MAGNESIO 10 ppm |
| 2911 |
PATRON DE METALES PESADOS (en Pb) 0.01 mg/ml |
| 2912 |
PATRON DE NITRATOS 100 ppm |
| 2913 |
PATRON DE NITRATOS 10 ppm |
| 2914 |
PATRON DE NITRATOS 2 ppm |
| 2915 |
PATRON DE NITROGENO 0.01 mg/ml |
| 2916 |
PATRON DE OXALICO 0.05 g/L |
| 2917 |
PATRON DE OXALICO 0.1 g/L |
| 2918 |
PATRON DE PLOMO 1 ppm |
| 2919 |
PATRON DE PLOMO 2 ppm |
| 2920 |
PATRON DE POTASIO 600 ppm |
| 2921 |
PATRON DE SODIO 200 ppm |
| 2922 |
PATRON DE SULFATOS 0.1 mg/ml |
| 2923 |
PATRON DE SULFATOS 100 ppm |
| 2924 |
PATRON DE SULFATOS 10 ppm |
| 2925 |
PATRON DE SULFATOS 80 ppm |
| 2926 |
AMONIO MOLIBDATO TS |
| 2927 |
INDIGO CARMIN DISOL. 0.02% p/p |
| 2928 |
CALCIO SULFATO SOLCUION 5% |
| 2929 |
TETARIODOMERCUROATO DE POTASIO SOLUCION ALCALINA |
| 2930 |
TIOACETAMIDA REACTIVO EP |
| 2931 |
TIOACETAMIDA TS REACTIVO USP |
| 2932 |
PLATA DIETILDITIOCARBAMATO TS |
| 2933 |
DISOLUCION CINC CLORURO + ALMIDON |
| 2934 |
PATRON DE COLOR B |
| 2935 |
PATRON DE COLOR B3 |
| 2936 |
PATRON DE COLOR B5 |
| 2937 |
PATRON DE COLOR B6 |
| 2938 |
PATRON DE COLOR B9 |
| 2939 |
PATRON DE COLOR BY |
| 2940 |
PATRON DE COLOR BY6 |
| 2941 |
PATRON DE COLOR GY |
| 2942 |
PATRON DE COLOR GY2 |
| 2943 |
PATRON DE COLOR R |
| 2944 |
PATRON DE COLOR R5 |
| 2945 |
PATRON DE COLOR Y |
| 2946 |
PATRON DE COLOR Y2 |
| 2947 |
PATRON DE COLOR Y5 |
| 2948 |
PATRON DE COLOR Y6 |
| 2949 |
PATRON DE FLUORURO 1 ppm |
| 2950 |
PATRON DE FLUORURO 10 ppm |
| 2951 |
PATRON DE FLUORURO DISOLUCION MADRE |
| 2952 |
PATRON DE ARSENICO DISOLUCION MADRE |
| 2953 |
PATRON DE AMONIO DISOLUCION MADRE |