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余氯测试试剂 (free chlorine) Method: photometric, DPD 0.010 - 6.00 mg/l Cl₂ Spectroquant®
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余氯测试试剂 (free chlorine) Method: photometric, DPD 0.010 - 6.00 mg/l Cl₂ Spectroquant®
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亚硫酸盐测试预装试剂 Method: photometric 1.0 - 20.0 mg/l SO₃²⁻ Spectroquant®
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总氯测试试剂 (total chlorine) Method: photometric, DPD 0.010 - 6.00 mg/l Cl₂ Spectroquant®
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总氯测试试剂 (total chlorine) Method: photometric, DPD 0.010 - 6.00 mg/l Cl₂ Spectroquant®
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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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亚硝酸测试预装试剂 Method: photometric 1.0 - 90.0 mg/l NO₂-N 3.3 - 295.2 mg/l NO₂⁻ Spectroquant®
Nitrite Cell Test Method: photometric 1.0 - 90.0 mg/l NO2-N 3.3 - 295.2 mg/l NO2¯ Spectroquant
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二氧化氯测试试剂 Method: photometric, DPD 0.020 - 10.00 mg/l ClO₂ Spectroquant®
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硝酸盐测试试剂 Method: photometric 0.2 - 20.0 mg/l NO₃-N 0.9 - 88.5 mg/l NO₃⁻ Spectroquant®
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余氯总氯测试试剂 (free and total chlorine) Method: photometric, DPD 0.010 - 6.00 mg/l Cl₂ Spectroquant®
Chlorine Test (free and total chlorine) Method: photometric, DPD 0.010 - 6.00 mg/l Cl2 Spectroquant
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