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钙硬度测试条 Method: colorimetric with test strips 4 - 8 - 12 - 16 - 24°d Merckoquant
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总硬度测试盒 方法:使用试纸的比色法(2个反应区) <1.5; 1.5 - 2.5; >2.5 mmol/l CaCO₃ Merckoquant
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总硬度测试条 Method: colorimetric with test strips (5 reaction zones) >5 - >10 - >15 - >20 - >25°d >6 - >13 - >19 - >25 - >31°e >9 - >18 - >27 - >36
Total Hardness Test Method: colorimetric with test strips (5 reaction zones) >5 - >10 - >15 - >20
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总硬度测试条 Method: colorimetric with test strips (4 reaction zones) <3 - >4 - >7 - >14 - >21°d <4 - >5 - >9 - >18 - >26°e <5 - >7 - >12 - >25 - >37°f
Total Hardness Test Method: colorimetric with test strips (4 reaction zones) 4 - >7 - >14 - >21°d 5
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总硬度试纸 试纸,单条试纸(4个反应区)方法:使用试纸的比色法 <3 - >4 - >7 - >14 - >21°d <4 - >5 - >9 - >18 - >26°e <5 - >7 - >12 - >25 - >37°f Merckoquant
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总硬度测试盒 补充包 用于108039 Aquamerck
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总硬度测试盒 Method: titrimetric with titration pipette Aquamerck
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钙硬度测试盒 Method: titrimetric with dropping bottle Aquamerck
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总硬度测试盒 补充包 用于108047 Aquamerck
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总硬度测试盒 Method: titrimetric with dropping bottle Aquamerck
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