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Reference Standard Material - Nitrate-N in Effluent Water.You can download the assigned value range ..
Reference Standard Material - Nitrate-N in Sea Water.You can download the assigned value range docum..
Reference Standard Material - Nitrite-N in Effluent Water.You can download the assigned value range ..
Reference Standard Material - Nitrite-N in Sea Water.You can download the assigned value range docum..
Reference Standard Material - Nitrogen, Total in Sea Water.You can download the assigned value range..
Reference Standard Material - Nitrogen, Total in Effluent Water.You can download the assigned value ..
Reference Standard Material - Nitrogen, Total Kjeldahl in Sea Water.You can download the assigned va..
Reference Standard Material - Nitrogen, Total Kjeldahl in Effluent Water.You can download the assign..
High purity chemicals: Neat reference standard material - o,p'-DDT [CAS: 789-02-6] - 10 mg..
High purity chemicals: Neat reference standard material - Omethoate [CAS: 1113-02-6] - 25 mg..
Organochlorine Pesticide 20 components: 200 ug/ml each of Aldrin [CAS:309-00-2] ; Alpha-HCH (alpha-B..
Organochlorine Pesticides 4 Components: 100ug/ml each of Aldrin [CAS:309-00-2] ; Dieldrin [CAS:..
Organophosphorous Pesticides 8 components. 100 mg/l each of Azinphos-methyl [CAS:86-50-0] ; De..
High purity chemicals: Neat reference standard material - Oxamyl [CAS: 23135-22-0] - 25 mg..
Oxamyl [Cas: 23135-22-0] 100 mg/l in Cyclohexane..