产品特点：
Pure Chemical Standards
LECO Corporation is A2LA accredited in accordance with International Standards Organization ISO/IEC 17025:2005 (Certificate No. 3285.01) and Guide 34:2009 (Certificate No. 3285.02) as a reference material producer. Guide 34:2009 products are designated with a in the following tables.
订购信息：
| Pure Chemical Standards |
| Part No. |
Description |
% C |
% H |
% N |
% O |
% S |
BTU/lb. |
Contents |
| 501-034 | Calcium Carbonate | 12
| —
| —
| —
| —
| —
| 50 g
|
| 501-048 | Potassium Biphtalate | 47.05
| 2.47
| —
| 31.34
| —
| —
| 20 g
|
| 501-050 | Nicotinic Acid
| 58.53
| 4.09
| 11.38
| —
| —
| —
| 15 g
|
| 501-053 | Acetanilide
| 71.09
| 6.71
| 10.36
| 11.84
| —
| —
| 10 g
|
| 501-441 | Sucrose
| 42.1
| 6.48
| —
| 51.42
| —
| —
| 50 g
|
| 502-085 | Zinc Sulfide
| —
| —
| —
| —
| 32.91
| —
| 50 g
|
| 502-092 | EDTA
| 40.80–41.20 | 5.46–5.54 | 9.5–9.60
| —
| —
| —
| 50 g
|
| 502-092-250 | EDTA
| 40.80–41.20
| 5.46–5.54
| 9.52–9.60
| —
| —
| —
| 250 g
|
| 502-101 | Durene
| 89.49
| 10.51
| —
| —
| —
| —
| 10 g
|
| 502-184 | Benzoic Acid Powder | 68.85
| 4.95
| —
| 26.2
| —
| 11373
| 10 g
|
| 502-203 | Stearic Acid
| 75.99
| 12.76
| —
| 11.25
| —
| —
| 5 g
|
| 502-204 | Dinitrobenzoic Acid | 39.63
| 1.9
| 13.21
| 45.26
| —
| —
| 5 g
|
| 502-205 | Caffeine
| 49.48
| 5.19
| 28.85
| 16.48
| —
| —
| 5 g
|
| 502-207 | Cystine
| 29.99
| 5.03
| 11.66
| 26.63
| 26.69
| —
| 5 g
|
| 502-209 | Sulfamethazine
| 51.78
| 5.07
| 20.13
| 11.5
| 11.52
| —
| 5 g
|
| 502-211 | Glycine
| 32
| 6.71
| 18.66
| 42.63
| —
| —
| 50 g
|
| 502-298 | Sulfamethazine
| 51.78
| 5.07
| 20.13
| 11.5
| 11.52
| —
| 25 g
|
502-601
| Nitrogen (Aqueous)
| —
| —
| 0.0100% (100 ppm) | —
| —
| —
| (5) 10 ml vial
|
502-602
| Nitrogen (Aqueous)
| —
| —
| 0.1% (1000 ppm) | —
| —
| —
| (5) 10 ml Vial
|
502-634
| High Purity Graphite Powder | 100%
| —
| —
| —
| —
| —
| 50 g
|
| 502-641 | Phenylalanine
| 65.4
| 6.7
| 8.5
| —
| —
| —
| 5 g
|
| 502-642 | Phenylalanine
| 65.4
| 6.7
| 8.5
| —
| —
| —
| 50 g
|
| 502-654▲ | BBOT
| 72.5
| 6
| 6.5
| —
| 7.4
| —
| 25 g
|
| 774-208-150 | Benzoic Acid
| —
| —
| —
| —
| —
| 11373
| (50) 1 g tblt.
|
碳酸钙 Calcium Carbonate 501-034信息由北京谱朋科技有限公司为您提供，如您想了解更多关于碳酸钙 Calcium Carbonate 501-034报价、型号、参数等信息，欢迎来电或留言咨询。除供应碳酸钙 Calcium Carbonate 501-034外，北京谱朋科技有限公司还可为您提供保护柱芯、保护柱芯 | 1.50250.0001、瑞士万通 保护柱 Metrosep C PCC 1 VHC/4.0 | 6.1010.320等产品，公司有专业的客户服务团队，是您值得信赖的合作伙伴。
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