-
亚硝酸盐测试预装试剂 Method: photometric 0.010 - 0.700 mg/l NO₂-N 0.03 - 2.30 mg/l NO₂⁻ Spectroquant®
-
德国默克COD试剂1.14541.0001 Merck
-
亚硫酸盐测试预装试剂 Method: photometric 1.0 - 20.0 mg/l SO₃²⁻ Spectroquant®
-
硝酸盐测试盒 Method: colorimetric with colour card 10 - 25 - 50 - 75 - 100 - 125 - 150 mg/l NO₃⁻ Aquamerck®
-
NCSZ-COD-17.6μg/mL 标样/水质化学需氧量COD质控样17.6μg/mL
-
NCSZ-COD-2020(10) 标样/水质COD化学需氧量质控样
-
余氯测试预装试剂 (free chlorine) Method: photometric, DPD 0.03 - 6.00 mg/l Cl2 Spectroquant®
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- 50 - 75 - 100 - 125 - 150 mg/l NO₃⁻ Aquamerck®
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余氯总氯测试预装试剂 (free and total chlorine) Method: photometric, DPD 0.03 - 6.00 mg/l Cl₂ Spectroquant®
-
过氧化氢测试预装试剂 Method: photometric 2.0 - 20.0 mg/l H₂O₂ Spectroquant®
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